Page 1 Form No. 16229SL Rev A Greensmaster ® TriFlex ™ 3300, 3320, 3400, and 3420 Diagnostic Fault Code Manual Model No. 04510, 04520, 04530, and 04540 *16229SL* Register at www.Toro.com. Original Instructions (EN)
Page 2: Reader Comments
Greensmaster TriFlex greens mowers: 3300, 3320, 3400, and 3420. The Toro Company reserves the right to change product specifications or this publication without notice. Improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury,...
Page 3: Revision History
Revision History Revision Date Description Initial issue 09/2020...
Page 4: Table Of Contents
Preparing for Troubleshooting and/or Testing ....................20 Returning the Machine to Service.........................21 Toro DIAG–Quick Start ..........................22 Replacing a Toro Electronic Controller (TEC) ....................23 Fault 12: 48 V Contactor Open..........................26 Fault 13: High Temperature Warning – Reel Motor 1 ...................32 Fault 14: High Temperature Warning – Reel Motor 2 ...................35 Fault 15: High Temperature Warning –...
Page 5 Fault 47: Overtemp Bulb – Current Too High .....................147 Fault 49: Fault Latch – Phase Overcurrent ......................150 Fault 51: Alternator Failure..........................152 Fault 52: Charging System High Voltage......................154 Fault 57: Glow Relay/Leak Detector Alarm – Current Too High................156 Fault 59: Line Contactor Closed ........................160 Fault 63: ID Module Fault ..........................166 Fault 64: Main Power Relay Failure........................169 Fault 66: Software Version Incompatibility......................172...
Page 6 Fault 145: Software Incompatible – InfoCenter....................323 Fault 146: CAN Bus Fault – InfoCenter ......................328 Fault 147: Traction Potentiometer Failure ......................333...
Page 7: Safety
Safety The machine has been tested and certified by Toro for compliance with existing safety standards and specifications. Improper use or maintenance of the machine can result in injury or death. To reduce the potential for injury or death, comply with all of the safety instructions found in the Greensmaster 3300/3320 TriFlex Traction Unit Operator’s Manual or Greensmaster 3400/3420 TriFlex Traction Unit Operator’s Manual,...
Page 8: General Information
Toro DIAG Software Download the Toro DIAG software from the Toro Dealer and Distributor Portal and then install the software on a computer. This software is intended to assist you with troubleshooting electrical issues on Toro machines that use a Toro electronic controller (TEC).
Page 9: Acronyms
An active fault is displayed on the InfoCenter while the fault condition is present until you clear the fault or you turn the machine off. All faults are archived in and accessible from the nonvolatile memory of the Toro electronic controller (TEC).
Page 10: General Electrical Diagnostic Information
Read and understand the manufacturer’s operating instructions for the multimeter. Toro DIAG USB/CAN Cable The Toro DIAG software uses a USB to CAN connection, via a Toro DIAG USB/CAN cable (Toro Part No. 115-1944). Inspecting the Harness and Component Connector...
Page 11: Repairing The Wire Insulation
• Connector pins that are loose, bent, or recessed • Connectors that are not fully seated • Wires that are pinched, frayed, or are missing insulation • Damaged connector locks, clips, or housings • Missing or inadequate dielectric grease Note: Dielectric grease is used in all unsealed wire harness connectors.
Page 12: Infocenter Diagnostics
Cleaning the Electronic Components and Connections Note: Use electrical-contact cleaner only. Do not use brake cleaner, as it may permanently damage electrical connector bodies and other plastic components of the machine. Avoid using mineral solvents, as they may damage connectors, seals, and wire insulation. WARNING Cleaning chemicals and tools can cause injury if used improperly.
Page 13: Infocenter Icons
InfoCenter Icons Icon Definition Hour meter Info icon Fast Slow Fuel level Glow plugs are active Raise cutting units Lower cutting units Operator must sit in seat Parking brake indicator—indicates when the parking brake is O Identifies the range as High (Transport) Neutral Identifies the range as Low (Mow) Coolant Temperature—indicates the engine coolant temperature in either °C or °F...
Page 14 Icon Definition Starter/generator (not charging) Starter/generator (charging) Reel enable Electric cutting reel motor in a cutting unit Front backlap Rear backlap Indicates when the cutting units are being lowered Indicates when the cutting units are being raised PIN passcode CAN bus InfoCenter Bad or failed Bulb...
Page 15: Infocenter Screen Map
InfoCenter Screen Map The various screens can be accessed by manipulating the directional arrows. The screens available on the TriFlex 3320/3420 are arranged as seen in Figure g294925 Figure 3...
Page 16: Troubleshooting Intermittent Electrical Faults
If the intermittent issue remains after the basic diagnostic processes are complete, use the controller-specific diagnostic tools and functions available to monitor or capture data as the malfunction occurs. These include: • Toro DIAG Save function (see the Toro DIAG Software Guide) • Toro CANCapture (see the Toro DIAG Software Guide) •...
Page 17: Frequently Used Procedures
After servicing the 12 V system, coat the battery posts and the cable connectors with battery terminal protector (Toro Part No. 107-0392) or petroleum jelly to prevent corrosion. Connect and tighten the positive cable to the battery (before connecting the negative cable)
Page 18: Connecting And Disconnecting The 48 V Power To The Cutting Reel Motors
Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors CAUTION Before installing, removing, or servicing the cutting units, disconnect the cutting units from the 48 V power system by separating the cutting unit power connectors. This prevents unexpected operation of cutting units.
Page 19: Clearing Faults From The Infocenter
You can clear system faults from the InfoCenter if you have the PIN number to access the proper menu item. The complete fault history is retained in the TEC-5001 memory and can be viewed via Toro DIAG software. Entering the PIN code Press the left button as needed to display the Main Menu.
Page 20: Preparing For Troubleshooting And/Or Testing
Clearing faults after entering the PIN Press the left button. The Main Menu appears. Note: If no faults have occurred since the last time the faults were cleared, a No Faults Logged menu item will be displayed instead of the Faults menu item. Press the left button as needed to exit the Main Menu.
Page 21: Returning The Machine To Service
Returning the Machine to Service Ensure optimum performance and continued safety by performing all steps in the following procedure after all diagnostic, maintenance, and/or repair activities are complete: Remove all diagnostic equipment and tools that are attached to the machine for troubleshooting or repair. Fully reassemble the machine.
Page 22: Toro Diag-Quick Start
Ensure that the Toro DIAG software and the drivers for the Toro DIAG Cable (Part No. 115-1944) are already installed on your PC. If they are not installed, go to the Toro DIAG Software Guide and follow the steps in the Toro DIAG Software Installation section.
Page 23: Replacing A Toro Electronic Controller (Tec)
Connect a PC with Toro DIAG software to the machine through a Toro DIAG Cable (Part No. 115-1944). Refer to Toro DIAG–Quick Start (page 22). Use the Toro DIAG software to save the timers and counters file out of the original TEC. Refer to the Controller Reformatting section of the Toro DIAG User’s Guide.
Page 24 Replace the TEC. Remove the right side cover (Figure 10). g237042 Figure 10 1. Right side cover Slide the operator seat assembly all the way toward the rear of the machine. Then tilt the seat itself forward. Locate the TEC-5001 controller (Figure 11).
Page 25 TEC is programmed during the reprogramming of the machine. Use the Toro DIAG software to restore the timers and counters (the TD2 file) file from the original TEC into the replacement TEC, in accordance with the Controller Reformatting section of the Toro DIAG User’s Guide.
Page 26: Fault 12: 48 V Contactor Open
Fault 12: 48 V Contactor Open InfoCenter Display: ____FAULT #12____ 48 V CONTACTOR OPEN Fault Description This fault is reported when a failure associated with the 48 V contactor (or the contactor control circuit) occurs. The starter/generator (S/G) measures the voltage on both sides of the contactor. If the key switch (48 V logic) and bus voltage of the starter/generator (S/G) have more than an 8 V difference when the contactor is engaged, this fault is reported.
Page 27 g233994 Figure 13 1. Operator’s seat 2. Left-hand cover assembly g240842 Figure 14 1. Main contactor Pass The main contactor tested good. Go to Step 3. Fail The main contactor did not test good. Replace the main contactor. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 28 Step 3: Test the electric reel circuit protection diode. The circuit protection diode is located underneath the left-hand cover assembly, near the main contactor (Figure 15). Refer to the Greensmaster TriFlex 3320/3420 Service Manual, Chapter 6, Electric Reel Protection Diode section, and test the diode. g234814 Figure 15 1.
Page 29 g234786 g234787 Figure 16 Figure 17 1. Rear tire 1. E-reels harness connector P09 2. Rear fork base 2. Rear fork base 3. Hydraulic steering cylinder assembly 3. Hydraulic steering cylinder assembly Unplug connector P09 from the starter/generator (S/G) and then use a multimeter to test the resistance between the following pair of locations: Wire Expected...
Page 30 g234997 Figure 18 1. 48V Logic relay 3. Connector J07 2. Main contactor 4. Connector J02 Disconnect J07 from the main contactor and then use a multimeter to test the resistance between the following pair of locations: Wire Expected Location Harness Connector Connector Graphic...
Page 31 Electrical Diagram g334749 Figure 19...
Page 32: Fault 13: High Temperature Warning - Reel Motor 1
Fault 13: High Temperature Warning – Reel Motor 1 InfoCenter Display: ____FAULT #13____ Fault Description This fault is reported when the motor controller temperature exceeds 90 °C (194 °F). If the 90 °C threshold is reached, the fault is reported and the current being sent to the motor is limited on a linear basis unless a temperature of 120 °C (248 °F) is reached.
Page 33 Go to Preparing for Troubleshooting and/or Testing (page 20) and follow the steps listed. Disconnect the 48 V power to the cutting reel motors. Refer to Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors (page 18). Refer to Figure 20 to locate cutting unit 1.
Page 34 Step 4: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 35: Fault 14: High Temperature Warning - Reel Motor 2
Fault 14: High Temperature Warning – Reel Motor 2 InfoCenter Display: ____FAULT #14____ Fault Description This fault is reported when the motor controller temperature exceeds 90 °C (194 °F). If the 90 °C threshold is reached, the fault is reported and the current being sent to the motor is limited on a linear basis unless a temperature of 120 °C (248 °F) is reached.
Page 36: Cutting Unit 1 (Center), Which Includes Reel Motor
Go to Preparing for Troubleshooting and/or Testing (page 20) and follow the steps listed. Disconnect the 48 V power to the cutting reel motors. Refer to Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors (page 18). Refer to Figure 21 to locate cutting unit 2.
Page 37 Step 4: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 38: Fault 15: High Temperature Warning - Reel Motor 3
Fault 15: High Temperature Warning – Reel Motor 3 InfoCenter Display: ____FAULT #15____ Fault Description This fault is reported when the motor controller temperature exceeds 90 °C (194 °F). If the 90 °C threshold is reached, the fault is reported and the current being sent to the motor is limited on a linear basis unless a temperature of 120 °C (248 °F) is reached.
Page 39 Go to Preparing for Troubleshooting and/or Testing (page 20) and follow the steps listed. Disconnect the 48 V power to the cutting reel motors. Refer to Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors (page 18). Refer to Figure 22 to locate cutting unit 3.
Page 40 Step 4: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 41: Fault 16: High Temperature Warning - Starter/Generator
Fault 16: High Temperature Warning – Starter/Generator InfoCenter Display: ____FAULT #16____ Fault Description This fault is reported when the controller temperature exceeds 90 °C (194 °F). If the 90 °C threshold is reached, the fault is reported and the current being sent to the motor is limited on a linear basis unless a temperature of 120 °C (248 °F) is reached.
Page 42 g239870 Figure 23 1. Hydraulic steering cylinder assembly 3. S/G air intake screen 2. Rear tire Verify that the air intake screen is clean and free of debris. Clean the screen as needed. Verify that the generator fan is clean and free of debris. Clean the fan as needed. Verify that air is being drawn through the air intake screen into the S/G.
Page 43 Step 5: Use Toro DIAG to program the S/G. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22). Use the Toro DIAG software to reprogram the machine in accordance with Toro DIAG User’s Guide. The replacement S/G controller is programmed during the reprogramming of the machine.
Page 44: Fault 17: Motor Speed Stall - Cutting Unit 1
Fault 17: Motor Speed Stall – Cutting Unit 1 InfoCenter Display: ____FAULT #17____ 1 STALLED Fault Description This fault is reported when cutting unit 1 was at zero RPM for more than 3 seconds. Insufficient torque exists to rotate the reel motor. Note: The Greensmaster TriFlex 3320 and 3420 are designed to cut short grass on golf-course greens and maintained turf on fairways.
Page 45: Figure 24
g225145 Figure 24 1. Cutting unit 1 (center), which includes reel motor 1 3. Cutting unit 3 (right), which includes reel motor 3 2. Cutting unit 2 (left), which includes reel motor 2 Check the cutting unit and the reel motor for any mechanical resistance, and make sure that the reels are free of any foreign debris.
Page 46 Step 4: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 47: Fault 18: Motor Speed Stall - Cutting Unit 2
Fault 18: Motor Speed Stall – Cutting Unit 2 InfoCenter Display: ____FAULT #18____ 2 STALLED Fault Description This fault is reported when cutting unit 2 was at zero RPM for more than 3 seconds. Insufficient torque exists to rotate the reel motor. Note: The Greensmaster TriFlex 3320 and 3420 are designed to cut short grass on golf-course greens and maintained turf on fairways.
Page 48: Check For Proper Bedknife Adjustment And The Overall Condition Of The Reel. Adjust The Bedknife If It Is Out Of Alignment
g225145 Figure 25 1. Cutting unit 1 (center), which includes reel motor 1 3. Cutting unit 3 (right), which includes reel motor 3 2. Cutting unit 2 (left), which includes reel motor 2 Check the cutting unit and the reel motor for any mechanical resistance, and make sure that the reels are free of any foreign debris.
Page 49 Step 4: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 50: Fault 19: Motor Speed Stall - Cutting Unit 3
Fault 19: Motor Speed Stall – Cutting Unit 3 InfoCenter Display: ____FAULT #19____ 3 STALLED Fault Description This fault is reported when cutting unit 3 was at zero RPM for more than 3 seconds. Insufficient torque exists to rotate the reel motor. Note: The Greensmaster TriFlex 3320 and 3420 are designed to cut short grass on golf-course greens and maintained turf on fairways.
Page 51: Swap Cutting Reel Motor 3 With A Cutting Reel Motor From A Different Cutting Unit. Refer To The Greensmaster Triflex 3320/3420 Service Manual, Chapter 6, Service And Repairs Section, Cutting Reel Motor
g225145 Figure 26 1. Cutting unit 1 (center), which includes reel motor 1 3. Cutting unit 3 (right), which includes reel motor 3 2. Cutting unit 2 (left), which includes reel motor 2 Check the cutting unit and the reel motor for any mechanical resistance, and make sure that the reels are free of any foreign debris.
Page 52 Step 4: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 53: Fault 21: Model Number Unknown
Use Toro DIAG to reprogram the machine. If the first attempt to reprogram the machine is unsuccessful, try reprogramming the machine a second time. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 54 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 55: Fault 22: 48 Volt Devices Offline
Fault 22: 48 Volt Devices Offline InfoCenter Display: ____FAULT #22____ ALL 48 V DEVICES OFFLINE Fault Description This fault is reported by the TEC-5001 when CAN bus messages from all four individual 48 V devices (i.e., the starter/generator and all three cutting units) are not being received. Circuit Description An engine-driven starter/generator (S/G) generator supplies 48 V power to three electric motors that drive the cutting reels.
Page 56 g222909 Figure 27 1. Cutting unit power connectors (48 V) 2. Operator’s seat Separate the two connectors and inspect them for the following: • damage • corrosion • debris • proper alignment and seating of the pins inside the connectors Pass The connector inspection passed.
Page 57 Step 3: Test the 7.5 amp fuse in position R-4. g246653 Figure 28 1. 48 V battery 3. 7.5 amp fuse in position R-4 2. Operator seat g318788 Figure 29 Pass The fuse inspection passed. Go to Step 4. Fail The fuse checked bad.
Page 58 Step 4: Test the 48 V battery pack voltage, disconnect harnesses, fuse, and wiring. This Step verifies that the 48 volt battery pack is at the correct voltage, both battery disconnect harnesses are good, and that the wiring from the main contactor through the 10-amp fuse to the 48V Logic relay is good. Verify that the machine is shut down and that the key is removed from the ignition.
Page 59 g244971 Figure 31 1. 10-amp fuse (inside protective housing) 4. 48 V positive battery cable 2. 48V Logic relay 5. 48 V battery pack 3. 48 V ground 6. E-reels harness connector J03 Figure 31 to locate the 48 V ground. Then use a multimeter to measure the voltage between the following pair of locations: Wire Expected...
Page 60 Wire Expected Location Harness Connector Connector Graphic Color Reading E-reels Red (R) 48 V Black 48 V ground (BK) Pass The voltage measurement was good. Go to Step 6. Fail The voltage measurement was not good. Repair or replace one or both of the disconnect harnesses, as needed. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 61 Step 8: Test the CAN Bus terminators on the TriFlex harness. Remove the right side cover (Figure 32). g237042 Figure 32 1. Right side cover Locate the two terminators and unplug them from the harness (Figure 33). g246029 Figure 33 1.
Page 62 Use a multimeter to measure the resistance between pin A and pin B of each terminator (Figure 34). The measurements should be 108 to 132 ohms. g228409 Figure 34 Pass The resistance measurements were good. Go to Step 9. Fail One or more of the resistance measurements was not good.
Page 63 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 64 Electrical Diagram g334808 Figure 37...
Page 65: Fault 23: Can Bus Fault - Reel Motor 1
Fault 23: CAN Bus Fault – Reel Motor 1 InfoCenter Display: ____FAULT #23____ FAULT Fault Description This fault is reported when the TEC-5001 loses communication with cutting unit 1 for 1.5 seconds. If communication is never established, a fault is reported 2.5 seconds after power is first turned on. Note: This fault is probably included among all of the cutting reel motors reporting related faults in rapid succession.
Page 66 g225145 Figure 38 1. Cutting unit 1 (center), which includes reel motor 1 3. Cutting unit 3 (right), which includes reel motor 3 2. Cutting unit 2 (left), which includes reel motor 2 Locate the 2 cutting reel motor connectors and the e-reels harness connectors P17 and P18 (Figure 39).
Page 67 • debris • proper alignment and seating of the pins inside the connectors Inspect the 2 cutting reel motor cable connectors for proper wire color per pin, as shown in the following 2 tables. Cutting Reel Motor, 4-Pin Connector Pin Number Wire Color White (W) Blue (BU)
Page 68: Location Harness
Pass The CAN bus wiring tests passed. • Leave the 2 cutting reel motor cable connectors unplugged from the e-reels harness connectors P17 and P18. • Reconnect the 48 V power to the cutting units. Refer to Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors (page 18).
Page 69 g234786 g234787 Figure 40 Figure 41 1. Rear tire 3. Hydraulic steering 1. E-reels harness connector 3. Hydraulic steering cylinder assembly cylinder assembly 2. Rear fork base 2. Rear fork base Refer to Figure 39to locate e-reels harness connectors P17 and P18. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected...
Page 70 Step 7: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 71 Electrical Diagram g225482 Figure 42...
Page 72 g334808 Figure 43...
Page 73: Fault 24: Can Bus Fault - Reel Motor 2
Fault 24: CAN Bus Fault – Reel Motor 2 InfoCenter Display: ____FAULT #24____ FAULT Fault Description This fault is reported when the TEC-5001 loses communication with cutting unit 2 for 1.5 seconds. If communication is never established, a fault is reported 2.5 seconds after power is first turned on. Note: This fault is probably included among all of the cutting reel motors setting related faults in rapid succession.
Page 74 g225145 Figure 44 1. Cutting unit 1 (center), which includes reel motor 1 3. Cutting unit 3 (right), which includes reel motor 3 2. Cutting unit 2 (left), which includes reel motor 2 In front of the left side cover, locate the 2 cutting reel motor connectors and the e-reels harness connectors P19 and P20 (Figure 45).
Page 75: Pass The Wiring Inspection Check Passed
• debris • proper alignment and seating of the pins inside the connectors Inspect the 2 cutting reel motor cable connectors for proper wire color per pin, as shown in the following 2 tables. Cutting Reel Motor, 4-Pin Connector Pin Number Wire Color White (W) Blue (BU)
Page 76 Pass The CAN bus wiring tests passed. • Leave the 2 cutting reel motor cable connectors unplugged from the e-reels harness connectors P19 and P20. • Reconnect the 48 V power to the cutting units. Refer to Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors (page 18).
Page 77 g234786 g234787 Figure 46 Figure 47 1. Rear tire 3. Hydraulic steering 1. E-reels harness connector 3. Hydraulic steering cylinder assembly cylinder assembly 2. Rear fork base 2. Rear fork base Refer to Figure 45to locate e-reels harness connectors P19 and P20. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected...
Page 78 Step 7: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 79 Electrical Diagram g225482 Figure 48...
Page 80 g334808 Figure 49...
Page 81: Fault 25: Can Bus Fault - Reel Motor 3
Fault 25: CAN Bus Fault – Reel Motor 3 InfoCenter Display: ____FAULT #25____ FAULT Fault Description This fault is reported when the TEC-5001 loses communication with cutting unit 3 for 1.5 seconds. If communication is never established, a fault is reported 2.5 seconds after power is first turned on. Note: This fault is probably included among all of the cutting reel motors reporting related faults in rapid succession.
Page 82 g225145 Figure 50 1. Cutting unit 1 (center), which includes reel motor 1 3. Cutting unit 3 (right), which includes reel motor 3 2. Cutting unit 2 (left), which includes reel motor 2 Locate the 2 cutting reel motor connectors and the e-reels harness connectors P21 and P22 (Figure 51 Figure 52).
Page 83 • debris • proper alignment and seating of the pins inside the connectors Inspect the 2 cutting reel motor cable connectors for proper wire color per pin, as shown in the following 2 tables. Cutting Reel Motor, 4-Pin Connector Pin Number Wire Color Connector Graphic White (W)
Page 84 Pass The CAN bus wiring tests passed. • Leave the 2 cutting reel motor cable connectors unplugged from the e-reels harness connectors P21 and P22. • Reconnect the 48 V power to the cutting units. Refer to Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors (page 18).
Page 85 g234786 g234787 Figure 53 Figure 54 1. Rear tire 1. E-reels harness connector P09 2. Rear fork base 2. Rear fork base 3. Hydraulic steering cylinder assembly 3. Hydraulic steering cylinder assembly Refer to Figure 51 Figure 52 to locate e-reels harness connectors P21 and P22. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected...
Page 86 Step 7: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 87 Electrical Diagram g225482 Figure 55...
Page 88 g334808 Figure 56...
Page 89: Fault 26: Can Bus Fault - Starter/Generator
Fault 26: CAN Bus Fault – Starter/Generator InfoCenter Display: ____FAULT #26____ FAULT Fault Description This fault is reported if the TEC-5001 lost communication or never established communication with the starter/generator (S/G) controller. The TEC-5001 must lose communication with the S/G controller for at least 1 second.
Page 90 g234786 g234787 Figure 57 Figure 58 1. Rear tire 1. E-reels harness connector 3. Hydraulic steering cylinder assembly 2. Rear fork base 3. Hydraulic steering cylinder assembly 2. Rear fork base Disconnect the e-reels harness connector P09 from the S/G. Inspect the harness connector for damage, corrosion, debris, and proper alignment of the pins inside the connector.
Page 91 g239648 Figure 59 1. Left-hand side cover 3. Motor harness connector 2. Step 4. E-reels harness connector P20 Unplug connector P20 from the motor harness connector. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected Location Harness...
Page 92 Wire Expected Location Harness Connector Connector Graphic Color Reading Main White (W) Black 31k to 37k (BK) ohms Main (48 V Ground) Pass The power and ground wiring tests passed. Go to Step 4. Fail One or more of the power and ground wiring tests failed. Repair or replace the worn or damaged parts.
Page 93 Assembly (Greensmaster 3420), depending on your machine. Step 10: Use Toro DIAG to program the S/G. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 94 Electrical Diagram g225482 Figure 60...
Page 95: Fault 29: Master Board Internal Error
Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 96: Fault 31: Engine Coolant Temperature Sender Out Of Range
Fault 31: Engine Coolant Temperature Sender Out Of Range InfoCenter Display: ____FAULT #31____ SENSOR Fault Description The engine coolant temperature sensor reading is not in range. Circuit Description The TEC-5001 controller monitors the temperature of the engine through the reading it receives from the temperature sender.
Page 97 g238438 Figure 61 1. Alternator 2. Temperature sender Unplug main harness connector P02 from the coolant temperature sender. Inspect harness connector P02 and the temperature sender connector for the following: • damage • corrosion • debris • proper alignment and seating of the pins inside the connectors Pass The wiring inspection check passed.
Page 98 Pass As the engine cooled, the resistance through the temperature sender increased. Go to Step 4. • Plug connector P02 in to the temperature sender. • Go to Step 4. Fail As the engine cooled, the resistance through the temperature sender did not increase. Replace the temperature sender according to the procedure outlined in the Component Testing section in Chapter 6 of the Greensmaster TriFlex 3320/3420 Service Manual.
Page 99 g237658 Figure 63 1. Right front tire 3. TEC-5001 controller 2. Operator seat 4. Mounting bolts (2 of 4 are shown) Remove the four mounting bolts that secure the TEC-5001 controller (Figure 63). Lift the TEC up and out of its mounted location (Figure 64).
Page 100: Black (Bk)
Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 101 Electrical Diagram g238807 Figure 65...
Page 102: Fault 32: Engine Coolant Temperature High - Engine Kill
Fault 32: Engine Coolant Temperature High – Engine Kill InfoCenter Display: ____FAULT #32____ Fault Description This fault is reported when the TEC-5001 detects that the engine coolant temperature has exceeded 115 °C/ 239 °F. If the temperature exceeds 115 °C/ 239 °F for more than 10 seconds, the TEC-5001 will disable the engine. Circuit Description The TEC-5001 controller monitors the temperature of the engine through the reading it receives from the temperature sender.
Page 103 Step 3: Check the engine oil. Verify that the proper amount of oil is in the engine. Refer to Checking the Engine Oil in the Engine Maintenance section of the Greensmaster 3420 TriFlex Traction Unit Operator’s Manual. After checking the engine oil level, operate the machine. Pass The fault did not repeat.
Page 104 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 105 Electrical Diagram g238807 Figure 66...
Page 106: Fault 33: 48 Volt Keyswitch Undervolt - Reel Motor 1
Fault 33: 48 Volt Keyswitch Undervolt – Reel Motor 1 InfoCenter Display: ____FAULT #33____ 1 48 V KEYSWITCH UNDER Important: For this fault, the term “keyswitch” refers to the 48 V logic power circuit, not to the ignition switch. Note: If multiple machine faults are reported within a few seconds, troubleshooting should begin with the first cutting reel motor to report a fault.
Page 107 Pass The InfoCenter readings are good. The fault still exists. Go to Step 3. Fail The InfoCenter does not show the Reels Enable indication. Refer to chapter 6 of the Greensmaster 3320/3420 Service Manual to test the 48V Logic relay. Once the Reels Enable indication is present, test the machine function.
Page 108 Pass The logic power fuse tested good. Go to Step 6. Fail The logic power fuse did not test good. Replace the 2–amp logic power fuse. Go to Returning the Machine to Service (page 21) and follow the steps listed. Step 6: Check the 48 V battery system voltage.
Page 109 • debris • proper alignment and seating of the pins inside the connectors Inspect the 2 cutting reel motor cable connectors for proper wire color per pin, as shown in the following 2 tables. Cutting Reel Motor, 4-Pin Connector Pin Number Wire Color Connector Graphic White (W)
Page 110 Disconnect 48 V power from the cutting units by separating the cutting unit power connectors. This prevents unexpected operation of cutting units. Refer to Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors (page 18). Locate the e-reels harness connector P09 near the rear tire of the machine. g234786 g234787 Figure 69...
Page 111 Wire Expected Location Harness Connector Connector Graphic Color Reading Black (BK) Main (48 V Ground) Less than 2 ohms Black (BK) Main (48 V Ground) Main White (W) 30k to 32k Black ohms (BK) Main (48 V Ground) Pass The resistance tests passed, but the voltage readings in Step 8 are still bad. Note: Do not go to Step 10 until after the voltage readings in Step 8 are good, and the fault is still reporting.
Page 112 Step 11: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 113 Pass The machine functions properly with no faults after reprogramming. Go to Returning the Machine to Service (page 21) and follow the steps listed. Fail The machine has been reprogrammed and the fault still exists. Begin the diagnostic process again. Electrical Diagram g225482 Figure 72...
Page 114: Fault 34: 48 Volt Keyswitch Undervolt - Reel Motor 2
Fault 34: 48 Volt Keyswitch Undervolt – Reel Motor 2 InfoCenter Display: ____FAULT #34____ 2 48 V KEYSWITCH UNDER Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition switch. Fault Description This fault is reported when the 48 V system voltage drops below 32 V at cutting unit 2.
Page 115 Pass The InfoCenter readings are good. The fault still exists. Go to Step 3. Fail The InfoCenter does not show the Reels Enable indication. Refer to chapter 6 of the Greensmaster TriFlex 3320/3420 Service Manual to test the 48V Logic relay. Once the Reels Enable indication is present, test the machine function.
Page 116 Pass The logic power fuse tested good. Go to Step 6. Fail The logic power fuse did not test good. Replace the 2–amp logic power fuse. Go to Returning the Machine to Service (page 21) and follow the steps listed. Step 6: Check the 48 V battery system voltage.
Page 117: Connecting And Disconnecting The 48 V Power
Pass The wiring inspection check passed. • Leave the 2 cutting reel motor cable connectors unplugged from the e-reels harness connectors P19 and P20. • Leave the 48 V power disconnected from the cutting units from the system. This prevents unexpected operation of cutting units.
Page 118 g234786 g234787 Figure 74 Figure 75 1. Rear tire 3. Hydraulic steering 1. E-reels harness connector 3. Hydraulic steering cylinder assembly cylinder assembly 2. Rear fork base 2. Rear fork base Locate the e-reels harness connectors P19 and P20. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected Location...
Page 119 Wire Expected Location Harness Connector Connector Graphic Color Reading Main White (W) 30k to 32k Black ohms (BK) Main (48 V Ground) Pass The resistance tests passed, but the voltage readings in Step 8 are still bad. Note: Do not go to Step 10 until after the voltage readings in Step 8 are good, and the fault is still reporting.
Page 120 Step 11: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 121 Electrical Diagram g225482 Figure 77...
Page 122: Fault 35: 48 Volt Keyswitch Undervolt - Reel Motor 3
Fault 35: 48 Volt Keyswitch Undervolt – Reel Motor 3 InfoCenter Display: ____FAULT #35____ 3 48 V KEYSWITCH UNDER Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition switch. Fault Description This fault is reported when the 48 V system voltage drops below 32 V at cutting unit 3.
Page 123 Pass The InfoCenter readings are good. The fault still exists. Go to Step 3. Fail The InfoCenter does not show the Reels Enable indication. Refer to chapter 6 of the Greensmaster TriFlex 3320/3420 Service Manual to test the 48V Logic relay. Once the Reels Enable indication is present, test the machine function.
Page 124 Pass The logic power fuse tested good. Go to Step 6. Fail The logic power fuse did not test good. Replace the 2–amp logic power fuse. Go to Returning the Machine to Service (page 21) and follow the steps listed. Step 6: Check the 48 V battery system voltage.
Page 125 Pass The wiring inspection check passed. • Leave the 2 cutting reel motor cable connectors unplugged from the e-reels harness connectors P21 and P22. • Leave the 48 V power disconnected from the cutting units from the system. This prevents unexpected operation of cutting units.
Page 126 g234786 g234787 Figure 79 Figure 80 1. Rear tire 3. Hydraulic steering 1. E-reels harness connector 3. Hydraulic steering cylinder assembly cylinder assembly 2. Rear fork base 2. Rear fork base Locate the e-reels harness connectors P21 and P22. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected Location...
Page 127 Wire Expected Location Harness Connector Connector Graphic Color Reading Main White (W) 30k to 32k Black ohms (BK) Main (48 V Ground) Pass The resistance tests passed, but the voltage readings in Step 8 are still bad. Note: Do not go to Step 10 until after the voltage readings in Step 8 are good, and the fault is still reporting.
Page 128 Step 11: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 129 Electrical Diagram g225482 Figure 82...
Page 130: Fault 36: 48 Volt Keyswitch Undervolt - Starter/Generator
Fault 36: 48 Volt Keyswitch Undervolt – Starter/Generator InfoCenter Display: ____FAULT #36____ 48 V KEYSWITCH UNDER V Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition switch. Fault Description This fault is reported when the 48 V system voltage drops below 36 V at the starter/generator (S/G).
Page 131 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 132: Fault 37: Fan Relay - Current Too High
Fault 37: Fan Relay - Current Too High InfoCenter Display: ____FAULT #37____ FAN RELAY COIL OVER Fault Description This fault is reported when the TEC-5001 senses that the output current to the fan relay is more 2.5 amps. Circuit Description The fan relay output circuit is routed through a relay.
Page 133 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 134: Fault 39: Master Tec Internal Error
Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25)
Page 135 The fault no longer Go to Returning the Machine to Service (page 21) and follow the steps listed. repeats. The fault still repeats. Reinstall the original primary TEC controller. Repeat the diagnostic process for this fault.
Page 136: Fault 41: 48 Volt Precharge Circuit Fault
Go to Step 4 before testing the function of the replacement cutting unit motor. Step 4: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page...
Page 137 Use the Toro DIAG software to reprogram the machine in accordance with Toro DIAG User’s Guide. The replacement cutting reel motor is programmed during the reprogramming of the machine. Disconnect the Toro DIAG cable from the machine. Install the left-hand cover assembly.
Page 138: Fault 43: Hydraulic Oil Temperature Sensor - Overtemp
Fault 43: Hydraulic Oil Temperature Sensor – Overtemp InfoCenter Display: ____FAULT #43____ HYD. OIL SENSOR Fault Description This fault is reported when the hydraulic fluid temperature is measured above 95 ºC (203 ºF). This fault could be the result of a high temperature condition in the hydraulic circuit or a defect in the temperature monitoring system. Circuit Description The hydraulic fluid temperature sensor is attached to the hydraulic tank.
Page 139 Wire Expected Location Harness Connector Connector Graphic Color Reading Violet Main (VIO) Less than 2 ohms Violet Main (VIO) CAUTION Overtightening the harness connector retaining fastener will damage the primary TEC controller. After you plug connector P01 back into the TEC, torque the retaining fastener for P01 to 25–28 in-lbs.
Page 140: Fault 44: 48 Volt Battery - Undervolt
Fault 44: 48 Volt Battery – Undervolt InfoCenter Display: ____FAULT #44____ 48 V SYSTEM POWER BUS UNDER V Note: All 48 V devices are connected to the same 48 V bus. If this is a system issue, the primary TEC will combine all 4 component 48 V Bus Undervolt faults into 1 and fault 44 will report.
Page 141 Greensmaster TriFlex 3320/3420 Service Manual and follow the generator assembly installation procedure. Step 8: Use Toro DIAG to program the starter/generator. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer to Toro DIAG - Quick Start Toro DIAG USB/CAN Cable (page 10).
Page 142: Fault 45: 48 Volt Bus - Overvoltage
Fault 45: 48 Volt Bus – Overvoltage InfoCenter Display: ____FAULT #45____ 48 V SYSTEM POWER BUS OVER V Fault Description This fault is reported when all four individual 48 V Bus component overvolt faults (starter/generator, cutting unit 1, cutting unit 2, and cutting unit 3) are active at the same time. Circuit Description All four 48 V devices are reporting a bus overvoltage fault.
Page 143 Greensmaster TriFlex 3320/3420 Service Manual and follow the generator assembly installation procedure. Step 8: Use Toro DIAG to program the starter/generator. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer to Toro DIAG - Quick Start Toro DIAG USB/CAN Cable (page 10).
Page 144: Fault 46: 48 Volt Keyswitch - Overvoltage
Fault 46: 48 Volt Keyswitch – Overvoltage InfoCenter Display: ____FAULT #46____ 48 V KEYSWITCH OVER V SYSTEM Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition key switch. Fault Description This fault is reported when all 4 of the 48 V devices (the starter/generator and each of the 3 electric cutting reel motors) are reporting an overvoltage fault.
Page 145 Greensmaster TriFlex 3320/3420 Service Manual and follow the generator assembly installation procedure. Step 8: Use Toro DIAG to program the starter/generator. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer to Toro DIAG - Quick Start Toro DIAG USB/CAN Cable (page 10).
Page 146 Step 9: Test the machine function. With the engine running, test the function of the machine and ensure that the fault no longer reports. Pass The fault no longer exists. Fail The fault still reports. Repeat the diagnostic process.
Page 147: Fault 47: Overtemp Bulb - Current Too High
Fault 47: Overtemp Bulb – Current Too High InfoCenter Display: ____FAULT #47____ WARN - OVER Fault Description This fault is reported when the overtemp bulb circuit is drawing too much current from the TEC-5001 controller. Note: The overtemp bulb may also be referred to as the high water temperature indicator light. Circuit Description One output from the primary TEC controller drives the overtemp indicator bulb.
Page 148 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25)
Page 149 The fault no longer Go to Returning the Machine to Service (page 21) and follow the steps listed. repeats. The fault still repeats. Reinstall the original primary TEC controller. Repeat the diagnostic process for this fault. Electrical Diagram g238256 Figure 85...
Page 150: Fault 49: Fault Latch - Phase Overcurrent
Fault 49: Fault Latch – Phase Overcurrent InfoCenter Display: _FAULT #49 __ _ FAULT LATCH PHASE Fault Description This fault is reported when the starter/generator (S/G) controller senses excessive current draw (greater than 240 amps) through the motor/generator or the controller itself. Circuit Description The starter/generator is a 48 V, air cooled, brushless, permanent magnet device.
Page 151 Greensmaster TriFlex 3320/3420 Service Manual and follow the generator assembly installation procedure. Step 6: Use Toro DIAG to program the starter/generator. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer to Toro DIAG - Quick Start Toro DIAG USB/CAN Cable (page 10).
Page 152: Fault 51: Alternator Failure
Fault 51: Alternator Failure InfoCenter Display: ____FAULT #51____ ALTERNATOR Fault Description The TEC compares system voltage data in conjunction with S/G rpm data, and determines the alternator is not performing. Circuit Description The charge circuit relay used on Greensmaster 3320 machines provides a current path for alternator output to reach the machine’s electrical system.
Page 153 Wire Expected Location Harness Connector Connector Graphic Color Reading Main White (W) Open (infinite) Main White (W) Pass There is no resistance (0–5 ohms) between wire ends. Go to Step 4. Fail There is high resistance or open between wire ends. Repair or replace all damaged wire. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 154: Fault 52: Charging System High Voltage
Fault 52: Charging System High Voltage InfoCenter Display: _____FAULT #52_____ CHARGING SYSTEM V TOO HIGH Fault Description The 12 V alternator is producing a voltage above 16.3 V. Charging system (alternator) is producing a voltage that the TEC has determined to be out-of-range on the high side.
Page 155 Wire Expected Location Harness Connector Connector Graphic Color Reading Main White (W) Open (infinite) Main White (W) Pass There is no resistance (0–5 ohms) between wire ends. Go to Step 4. Fail There is high resistance or open between wire ends. Repair or replace all damaged wire. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 156: Fault 57: Glow Relay/Leak Detector Alarm - Current Too High
Fault 57: Glow Relay/Leak Detector Alarm – Current Too High InfoCenter Display: _____FAULT #57____ GLOW OR L/D RELAY COIL - OVER Fault Description On diesel machines, the glow plug Preheat Relay alarm current is too high. On gasoline machines, the optional leak detector (L/D) alarm current is too high. Circuit Description If the machine is gasoline powered and has the optional Turf Guardian Leak Detector System, fault 57 will indicate an issue within the leak detector circuit.
Page 157 Wire Expected Location Harness Connector Connector Graphic Color Reading Gray Main (GY) Open (infinite) Gray Main (GY) CAUTION Overtightening the harness connector retaining fastener will damage the primary TEC controller. After you plug connector P01 back into the TEC, torque the retaining fastener for P01 to 25–28 in-lbs.
Page 158 Wire Expected Location Harness Connector Connector Graphic Color Reading Gray Main (GY) less than 2 ohms Gray Main (GY) Pass The wiring test passed. Go to Step 6. Fail The wiring test did not pass. Repair or replace the faulty wiring. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 159 Wire Expected Location Harness Connector Connector Graphic Color Reading Main Pink (PK) less than 2 ohms Main Pink (PK) CAUTION Overtightening the harness connector retaining fastener will damage the primary TEC controller. After you plug connector P01 back into the TEC, torque the retaining fastener for P01 to 25–28 in-lbs.
Page 160: Fault 59: Line Contactor Closed
Fault 59: Line Contactor Closed InfoCenter Display: _____FAULT #59____ LINE CONTACTOR FAILED CLOSED Fault Description This fault is reported when the difference between the bus voltage and keyswitch voltage is less than 5 volts when the contactor should be open. This fault indicates a failure associated with the 48 V contactor or the contactor control circuit.
Page 161 g233994 Figure 86 1. Operator’s seat 2. Left-hand cover assembly g234035 Figure 87 1. Main contactor 2. E-reels harness connector J07 3. E-reels harness connector J03 Disconnect main harness connectors J07 and J03 from the contactor (Figure 87). Use a multimeter to test the resistance between the terminals for J07 and J03 on the main contactor. The reading should be infinite.
Page 162 Pass The short test of the main contactor passed. Go to Step 3. Fail The short test of the main contactor failed. Replace the main contactor. Go to Returning the Machine to Service (page 21) and follow the steps listed. Step 3: Perform a full test of the main contactor.
Page 163 g234786 g234787 Figure 89 Figure 90 1. Rear tire 1. E-reels harness connector P09 2. Rear fork base 2. Rear fork base 3. Hydraulic steering cylinder assembly 3. Hydraulic steering cylinder assembly Unplug connector P09 from the starter/generator (S/G) and then use a multimeter to test the resistance between the following pair of locations: Wire Expected...
Page 164 g234997 Figure 91 1. 48V Logic relay 3. Connector J07 2. Main contactor 4. Connector J02 Disconnect J07 from the main contactor and then use a multimeter to test the resistance between the following pair of locations: Wire Expected Location Harness Connector Connector Graphic...
Page 165 Electrical Diagram g334749 Figure 92...
Page 166: Fault 63: Id Module Fault
Fault 63: ID Module Fault InfoCenter Display: _____FAULT #63_____ ID MODULE FAULT Fault Description This fault is reported when an internal digital location ID code (address) is missing from a component, or if more than 1 cutting reel motor reports having the same CAN ID as the primary TEC. The primary TEC controller has recognized at least one of the cutting unit electronic addresses is outside of the standard range.
Page 167 g239649 Figure 93 1. 48 V battery pack 3. ID module 2. E-reel harness connector P08 4. ID module harness connector Pass The ID module passed the test. Begin the diagnostic process again. Fail The ID module did not pass the test. Repair or replace any worn or damaged parts. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 168 Electrical Diagram g225581 Figure 94...
Page 169: Fault 64: Main Power Relay Failure
Fault 64: Main Power Relay Failure InfoCenter Display: _____FAULT #64_____ MAIN POWER RELAY Fault Description This fault is reported when the TEC has sensed a main power relay failure. Circuit Description The main power relay provides electrical current to the fuse blocks when energized by the ignition switch in the R or S position.
Page 170 Step 3: Test the 3 main 7.5 amp power fuses. g318788 Figure 95 Raise the operator’s seat. Locate fuse block 1 on the left side of the chassis. See Figure The 3 fuses on the right side of the block in slots 2, 3, and 4 must be tested. Follow the Fuse Testing procedure as described in the Electrical System Quick Checks in Chapter 6 of the Greensmaster TriFlex 3320/3420 Service Manual.
Page 171 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 172: Fault 66: Software Version Incompatibility
Use Toro DIAG to reprogram the machine. If the first attempt to reprogram the machine is unsuccessful, try reprogramming the machine a second time. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 173: Fault 67: S1 Enable - Current Too High
Fault 67: S1 Enable – Current Too High InfoCenter Display: _____FAULT #67_____ S1 COIL - OVER Fault Description This fault is reported when the primary TEC-5001 controller determines that the S1 solenoid coil current is too high. Circuit Description The primary TEC controller uses inputs from various machine switches to determine when to energize lift manifold solenoid valves.
Page 174 g237042 Figure 96 1. Right side cover Locate the lift control manifold (Figure 97). Locate solenoid S1. (Figure g239056 Figure 97 1. Solenoid S1 4. Solenoid S4 7. Lift control manifold 5. Fuse block 2. Solenoid S2 3. Solenoid S3 6.
Page 175 Use a multimeter to test the resistance between the two pins in the connector on the solenoid. The reading should be between 8 and 10 ohms. Pass The resistance measurement was good. • Plug connector P09 back in to the S1 solenoid. •...
Page 176 There are three procedures that you need to accomplish as part of replacing a TEC. Refer to Replacing a Toro Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23)
Page 177 Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC. The fault no longer Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 178: Fault 69: Line Contactor - Overcurrent
Fault 69: Line Contactor – Overcurrent InfoCenter Display: _____FAULT #69_____ LINE CONTACTOR OVER Fault Description This fault is reported when the contactor’s internal current is too high. The Line Contactor fault indicates a fault associated with control of the 48 V contactor. The S/G controller is reporting an internal overcurrent fault.
Page 179 Pass The replacement S/G controller passed the function test. Go to Returning the Machine to Service (page 21) and follow the steps listed. Fail The replacement S/G controller did not pass the function test. Begin the diagnostic process again. Electrical Diagram g334749 Figure 101...
Page 180: Fault 71: S2 Lower - Current Too High
Fault 71: S2 Lower – Current Too High InfoCenter Display: _____FAULT #71_____ S2 COIL - OVER Fault Description This fault is reported when the primary TEC-5001 controller determines that the S2 coil current is too high. Circuit Description The primary TEC-5001 controller uses inputs from various machine switches to determine when to energize lift manifold solenoid valves.
Page 181 g237042 Figure 102 1. Right side cover Locate the lift control manifold (Figure 103). Locate solenoid S2 (Figure 103). g239056 Figure 103 1. Solenoid S1 4. Solenoid S4 7. Lift control manifold 5. Fuse block 2. Solenoid S2 3. Solenoid S3 6.
Page 182 Use a multimeter to test the resistance between the two pins in the connector on the solenoid. The reading should be between 6 and 8 ohms. Pass The resistance measurement was good. • Plug connector P05 back in to the S2 solenoid. •...
Page 183 There are three procedures that you need to accomplish as part of replacing a TEC. Refer to Replacing a Toro Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23)
Page 184 Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC. The fault no longer Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 185: Fault 74: S3 - Current Too High
Fault 74: S3 – Current Too High InfoCenter Display: _____FAULT #74_____ S3 COIL - OVER Fault Description This fault is reported when the primary TEC-5001 controller determines that the S3 coil current is too high. Circuit Description The primary TEC-5001 controller uses inputs from various machine switches to determine when to energize lift manifold solenoid valves.
Page 186 g237042 Figure 107 1. Right side cover Locate the lift control manifold (Figure 108). Locate solenoid S3 (Figure 108). g239056 Figure 108 1. Solenoid S1 4. Solenoid S4 7. Lift control manifold 5. Fuse block 2. Solenoid S2 3. Solenoid S3 6.
Page 187 Use a multimeter to test the resistance between the two pins in the connector on the solenoid. The reading should be between 8 and 10 ohms. Pass The resistance measurement was good. • Plug connector P06 back in to the S3 solenoid. •...
Page 188 There are three procedures that you need to accomplish as part of replacing a TEC. Refer to Replacing a Toro Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23)
Page 189 Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC. The fault no longer Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 190: Fault 76: S4 - Current Too High
Fault 76: S4 – Current Too High InfoCenter Display: _____FAULT #76_____ S4 COIL - OVER Fault Description This fault is reported when the primary TEC-5001 controller determines that the S4 coil current is too high. Circuit Description The primary TEC-5001 controller uses inputs from various machine switches to determine when to energize lift manifold solenoid valves.
Page 191 g237042 Figure 112 1. Right side cover Locate the lift control manifold (Figure 113). Locate solenoid S4 (Figure 113). g239056 Figure 113 1. Solenoid S1 4. Solenoid S4 7. Lift control manifold 5. Fuse block 2. Solenoid S2 3. Solenoid S3 6.
Page 192 Use a multimeter to test the resistance between the two pins in the connector on the solenoid. The reading should be between 8 and 10 ohms. Pass The resistance measurement was good. • Plug connector P07 back in to the S4 solenoid. •...
Page 193 There are three procedures that you need to accomplish as part of replacing a TEC. Refer to Replacing a Toro Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23)
Page 194 Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC. The fault no longer Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 195: Fault 78: Srv Coil - Overcurrent
Fault 78: SRV Coil - Overcurrent InfoCenter Display: _____FAULT #78_____ SRV COIL - OVER Fault Description This fault is reported when the primary TEC-5001 controller determines that the SRV coil current is too high. Note: The SRV solenoid is also referred to as the PRV solenoid. Circuit Description The primary TEC-5001 controller uses inputs from various machine switches to determine when to energize mow manifold solenoid valves.
Page 196 g233994 Figure 117 1. Operator’s seat 2. Left-hand cover assembly Locate the mow control manifold and solenoid SRV (Figure 118). g239291 Figure 118 1. Mow control manifold 2. Solenoid SRV Unplug wire harness connector P04 from the SRV solenoid. Use a multimeter to test the resistance between the two pins in the connector on the solenoid. The reading should be between 6 and 8 ohms.
Page 197 Step 3: Test the wiring for solenoid SRV. Remove the right side cover. Slide the operator seat assembly all the way toward the rear of the machine. Then tilt the seat itself forward. Locate the primary TEC-5001 controller (Figure 119). g237658 Figure 119 1.
Page 198 There are three procedures that you need to accomplish as part of replacing a TEC. Refer to Replacing a Toro Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23)
Page 199 Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC. The fault no longer Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 200: Fault 81: Start Relay - Overcurrent
Fault 81: Start Relay – Overcurrent InfoCenter Display: _____FAULT #81____ RELAY COIL - OVER Fault Description Output current voltage to the starter relay coil is too high. Circuit Description When the key switch is turned to the R or S position, a signal is sent from the key switch to the primary TART TEC, and the start relay is activated.
Page 201 Step 2: Test the 15-amp fuse for the start relay and solenoid g318788 Figure 122 Locate the 15 A fuse located in the fuse block mounted beneath the operator’s seat base. The start relay fuse is in position R2. Test the fuse. Refer to Chapter 6 of the Greensmaster TriFlex 3320/3420 Service Manual. Pass The fuse tested good.
Page 202 Pass The output current test passed. Go to Step 4. Fail The output current test did not pass. Repair or replace the faulty wiring to pin 2. Go to Returning the Machine to Service (page 21) and follow the steps listed. Step 4: Test the Start Relay.
Page 203 g237658 Figure 125 1. Right front tire 3. Primary TEC-5001 controller 2. Operator seat 4. Mounting bolts (2 of 4 are shown) Remove the right side cover and gain access to the back of the key switch. Unplug the connector from the rear of the key switch (P50). Remove the four mounting bolts that secure the primary TEC-5001 controller (see Figure 125).
Page 204 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 205: Fault 83: Master Contention Fault
Use Toro DIAG to reprogram the machine. If the first attempt to reprogram the machine is unsuccessful, try reprogramming the machine a second time. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 206: Fault 84: Electronic Reel Motor Enable - Current High
Fault 84: Electronic Reel Motor Enable – Current High InfoCenter Display: _____FAULT #84_____ eREEL ENABLE - OVER Fault Description This fault is reported when the 48 V logic relay output current is too high. Circuit Description After a request is sent to the primary TEC, the 48 V logic relay sends an output signal to the cutting unit to begin work at a predetermined speed.
Page 207 Step 2: Check the output circuit from the 48 V logic relay. g333750 Figure 127 1. 48 V Logic Relay 2. 12 V Battery Remove the L/H side cover. Locate the logic relay (see Figure 127). Test the output circuit (white wire) for continuity to the contactor. Pass The output circuit tested good.
Page 208 Pass The output current test passed. Go to Step 4. Fail The output current test did not pass. Repair or replace the faulty wiring to pin 2. Go to Returning the Machine to Service (page 21) and follow the steps listed. Step 4: Test the logic relay.
Page 209 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Page 210: Fault 86: 48 V Bus Overvoltage - Reel Motor 1
Fault 86: 48 V Bus Overvoltage – Reel Motor InfoCenter Display: _____FAULT #86____ 1 - 48 V POWER BUS OVER V Fault Description Note: Reel motor 1 is in the center position. This fault is reported when the cutting reel motor measures a system voltage greater than 67.5 V. When this fault reports, the PTO is disabled.
Page 211 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Remove the access panel from the outer cover of the control arm. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 212 Cutting Reel Motor, 2-Pin Connector (cont'd.) Pin Number Wire Color Connector Graphic Red (R) Black (BK) Pass The wiring inspection check passed. Go to Step 5. Fail One or more of the inspection checks failed. Repair or replace the worn or damaged parts. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 213 Electrical Diagram g334808 Figure 131...
Page 214: Fault 87: 48 V Bus Overvoltage - Reel Motor 2
Fault 87: 48 V Bus Overvoltage – Reel Motor Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition switch. InfoCenter Display: _____FAULT #87____ 2 - 48 V POWER BUS OVER V Fault Description A reel motor overvoltage fault is reported when the cutting reel motor measures a system voltage greater than 67.5 V.
Page 215: Blue (Bu)
Step 3: Use Toro DIAG to program the replacement cutting reel motor. Remove the access panel from the outer cover of the control arm. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 216 Cutting Reel Motor, 2-Pin Connector (cont'd.) Pin Number Wire Color Connector Graphic Red (R) Black (BK) Pass The wiring inspection check passed. Go to Step 5. Fail One or more of the inspection checks failed. Repair or replace the worn or damaged parts. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 217 Electrical Diagram g334808 Figure 132...
Page 218: Fault 88: 48 V Bus Overvoltage - Reel Motor 3
Fault 88: 48 V Bus Overvoltage – Reel Motor Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition switch. InfoCenter Display: _____FAULT #88____ 3 - 48 V POWER BUS OVER V Fault Description A reel motor overvoltage fault is reported when the cutting reel motor measures a system voltage greater than 67.5 V.
Page 219 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Remove the access panel from the outer cover of the control arm. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 220 Cutting Reel Motor, 2-Pin Connector (cont'd.) Pin Number Wire Color Connector Graphic Red (R) Black (BK) Pass The wiring inspection check passed. Go to Step 5. Fail One or more of the inspection checks failed. Repair or replace the worn or damaged parts. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 221 Electrical Diagram g334808 Figure 133...
Page 222: Fault 89: 48 V Bus Overvolt - Starter/Generator
Fault 89: 48 V Bus Overvolt – Starter/Generator InfoCenter Display: _____FAULT #89____ - 48 V POWER BUS OVER V Fault Description This fault is reported when voltage greater than 65 V is detected by the starter/generator (S/G) controller. The presence of this fault will disable the PTO and the generator. Circuit Description The S/G controller monitors the 48 V bus voltage level.
Page 223 Refer to Chapter 6 of the Greensmaster TriFlex 3320/3420 Service Manual and follow the steps listed. Step 10: Use Toro DIAG to program the starter/generator controller. Connect a PC with Toro DIAG software to the machine via a Toro DIAG cable (Part No. 115-1944. Refer Toro DIAG–Quick Start (page 22) Use the Toro DIAG software to reprogram the machine in accordance with the Toro DIAG User’s Guide.
Page 224 Go to Returning the Machine to Service (page 21). Start the machine and ensure the fault no longer reports. Pass The fault no longer reports. Go to Returning the Machine to Service (page 21) follow the steps listed. Fail The fault still reports. Repeat the diagnostic process.
Page 225 Electrical Diagram g334808 Figure 134...
Page 226: Fault 94: 48 V Bus Low Voltage - Reel Motor 1
Fault 94: 48 V Bus Low Voltage – Reel Motor InfoCenter Display: _____FAULT #94____ 1 - 48 V POWER BUS UNDER V Fault Description This fault is reported when the reel motor controller detects 48 V bus power drops below 32 V. Circuit Description The 2-pin 48 V bus connector supplies power to the eReel.
Page 227 Step 4: Use Toro DIAG to program the replacement cutting reel motor. Remove the access panel from the outer cover of the control arm. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 228 Install the access panel onto the outer cover of the control arm. Go to Returning the Machine to Service (page 21) and follow the steps listed. Step 5: Test the cutting reel motor 1 voltage. Note: Observe proper electrical safety procedures when working with high voltage. Plug in the 48 V battery disconnect.
Page 229 Electrical Diagram g334808 Figure 135...
Page 230: Fault 95: 48 V Bus Low Voltage - Reel Motor 2
Fault 95: 48 V Bus Low Voltage – Reel Motor InfoCenter Display: _____FAULT #95____ 2 - 48 V POWER BUS UNDER V Fault Description This fault is reported when the reel motor controller detects 48 V bus power drops below 32 V. Circuit Description All 3 cutting reel motors share the 48 V logic power with the motor/generator.
Page 231 Step 4: Use Toro DIAG to program the replacement cutting reel motor. Remove the access panel from the outer cover of the control arm. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 232 Install the access panel onto the outer cover of the control arm. Go to Returning the Machine to Service (page 21) and follow the steps listed. Step 5: Test the cutting reel motor 2 voltage. Note: Observe proper electrical safety procedures when working with high voltage. Plug in the 48 V battery disconnect.
Page 233 Electrical Diagram g334808 Figure 136...
Page 234: Fault 96: 48 V Bus Low Voltage - Reel Motor 3
Fault 96: 48 V Bus Low Voltage – Reel Motor InfoCenter Display: _____FAULT #96____ 3 - 48 V POWER BUS UNDER V Fault Description This fault is reported when the reel motor controller detects 48 V bus power drops below 32 V. Circuit Description All 3 cutting reel motors share the 48 V bus power with the motor/generator.
Page 235 Step 4: Use Toro DIAG to program the replacement cutting reel motor. Remove the access panel from the outer cover of the control arm. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 236 Install the access panel onto the outer cover of the control arm. Go to Returning the Machine to Service (page 21) and follow the steps listed. Step 5: Test the cutting reel motor 3 voltage. Note: Observe proper electrical safety procedures when working with high voltage. Plug in the 48 V battery disconnect.
Page 237 Electrical Diagram g334808 Figure 137...
Page 238: Fault 97: 48 V Bus Low Voltage - Starter/Generator
Fault 97: 48 V Bus Low Voltage – Starter/Generator Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition switch. Note: When any individual cutting reel motor is shut off due to a fault, the primary TEC shuts off the other 4 cutting reel motors.
Page 239 Step 3: Check the generator output using the InfoCenter. After making sure the batteries are good, start the machine and access the InfoCenter. Monitor the generator output at full throttle and ensure that it remains between 45 and 55 volts. Pass The generator output remained between 45 and 55 volts.
Page 240 Electrical Diagram g334808 Figure 138...
Page 241: Fault 98: 48 V Key Switch Overvolt - Reel Motor 1
Fault 98: 48 V Key Switch Overvolt – Reel Motor 1 Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition key switch. Note: If multiple machine faults are reported within a few seconds, troubleshooting should begin with the first cutting reel motor to report a fault.
Page 242 Disconnect the cutting units from the 48 V power system by separating the cutting unit power connectors. This prevents unexpected operation of cutting units. Refer to Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors (page 18). Disconnect both main harness connectors from the cutting reel motor cable connectors mounted on the traction unit.
Page 243: P17 And P18
Step 5: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 244 Wire Expected Location Harness Connector Connector Graphic Color Reading Black (BK) Main (48 V Ground) Less than 2 ohms Black (BK) Main (48 V Ground) If one or more of the power and ground wiring tests failed, repair or replace any worn or damaged parts. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 245 Electrical Diagram g334808 Figure 140...
Page 246: Fault 99: 48 V Key Switch Overvolt - Reel Motor 2
Fault 99: 48 V Key Switch Overvolt – Reel Motor 2 InfoCenter Display: _____FAULT #99____ 2 - 48 V KEYSWITCH OVER V Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition switch.
Page 247 Disconnect both main harness connectors from the cutting reel motor cable connectors mounted on the traction unit. Inspect the 2 cutting reel motor cable connectors and the 2 main harness connectors for damage, corrosion, debris, and proper alignment of the pins inside the connectors. Pass The wiring inspection passed.
Page 248 Step 5: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 249 Wire Expected Location Harness Connector Connector Graphic Color Reading Black (BK) Main (48 V Ground) Less than 2 ohms Black (BK) Main (48 V Ground) If one or more of the power and ground wiring tests failed, repair or replace any worn or damaged parts. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 250 Electrical Diagram g334808 Figure 142...
Page 251: Fault 101: 48 V Key Switch Overvolt - Reel Motor 3
Fault 101: 48 V Key Switch Overvolt – Reel Motor 3 Note: When any individual cutting reel motor is shut off due to a fault, the primary TEC shuts off the cutting reel motors. Note: If multiple machine faults are reported within a few seconds, troubleshooting should begin with the first cutting reel motor to report a fault.
Page 252 Disconnect the cutting units from the 48 V power system by separating the cutting unit power connectors. This prevents unexpected operation of cutting units. Refer to Connecting and Disconnecting the 48 V Power to the Cutting Reel Motors (page 18). Disconnect both main harness connectors from the cutting reel motor cable connectors mounted on the traction unit.
Page 253 Step 5: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 254 Wire Expected Location Harness Connector Connector Graphic Color Reading Black (BK) Main (48 V Ground) Less than 2 ohms Black (BK) Main (48 V Ground) If one or more of the power and ground wiring tests failed, repair or replace any worn or damaged parts. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 255 Electrical Diagram g334808 Figure 144...
Page 256: Fault 102: 48 V Key Switch Overvolt - Starter/Generator
Fault 102: 48 V Key Switch Overvolt – Starter/Generator InfoCenter Display: _____FAULT #102____ - 48 V KEYSWITCH OVER V Important: For this fault, the term “key switch” refers to the 48 V logic power circuit, not to the ignition key switch. Fault Description The starter generator (S/G) controller has detected that 48 V logic power has exceeded the 65 V high voltage limit.
Page 257 Refer to Chapter 6 of the Greensmaster TriFlex 3320/3420 Service Manual and follow the steps listed. Step 10: Use Toro DIAG to program the starter/generator. Connect a PC with Toro DIAG software to the machine via a Toro DIAG cable (part number 115-1944). Refer to Toro DIAG–Quick Start (page...
Page 258 Use the Toro DIAG software to reprogram the machine in accordance with the Toro DIAG User’s Guide. The replacement starter/generator controller is programmed during the reprogramming of the machine. Disconnect the Toro DIAG cable from the machine. Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 259: Fault 103: Starter/Generator Temperature Sensor Failure
Assembly (Greensmaster 3420), depending on your machine. Step 4: Use Toro DIAG to program the S/G. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 260: Fault 104: Overcurrent Disable - Reel Motor 1
Fault 104: Overcurrent Disable – Reel Motor InfoCenter Display: _____FAULT #104____ 1 - OVER Fault Description This fault can be triggered on a hardware overcurrent or a hardware overvoltage. This is to protect this system in the case that the software does not limit the current and voltage correctly. Circuit Description The three cutting reel motors in the machine are identical 48 V, 1100 watt, brushless, permanent magnet motors.
Page 261 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 262: Fault 105: Overcurrent Disable - Reel Motor 2
Fault 105: Overcurrent Disable – Reel Motor InfoCenter Display: _____FAULT #105____ 2 - OVER Fault Description This fault can be triggered on a hardware overcurrent or a hardware overvoltage. This is to protect this system in the case that the software does not limit the current and voltage correctly. Circuit Description The three cutting reel motors in the machine are identical 48 V, 1100 watt, brushless, permanent magnet motors.
Page 263 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 264: Fault 106: Overcurrent Disable - Reel Motor 3
Fault 106: Overcurrent Disable – Reel Motor InfoCenter Display: _____FAULT #106____ 3 - OVER Fault Description This fault can be triggered on a hardware overcurrent or a hardware overvoltage. This is to protect this system in the case that the software does not limit the current and voltage correctly. Circuit Description The three cutting reel motors in the machine are identical 48 V, 1100 watt, brushless, permanent magnet motors.
Page 265 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 266: Fault 111: Internal Regulator Overvolt - Starter/Generator
Fault 111: Internal Regulator Overvolt – Starter/Generator InfoCenter Display: ____FAULT #111___ - INTERNAL OVER V Fault Description This fault is reported when the component measures more than 18 V at the starter/generator’s 15 V internal regulator. Circuit Description The S/G is attached to the engine and provides power for the 48 V system. It has its own independent controller to regulate power generation levels.
Page 267 Generator Assembly (Greensmaster 3420), depending on your machine. Step 7: Use Toro DIAG to program the S/G. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 268: Fault 112: Internal Regulator Low Voltage - Reel Motor 1
Fault 112: Internal Regulator Low Voltage – Reel Motor 1 Note: When any individual cutting reel motor is shut off due to a fault, the TEC-5001 shuts off the other cutting reel motors. Note: If multiple machine faults are reported within a few seconds, troubleshooting should begin with the first cutting reel motor to report a fault.
Page 269 g235999 Figure 149 1. Step 3. E-reels harness connector P18 2. 12 V battery 4. E-reels harness connector P17 Disconnect the 2 cutting reel motor cable connectors from the e-reels harness connectors P17 and P18. Inspect the 2 cutting reel motor cable connectors and the 2 e-reels harness connectors for the following: •...
Page 270 Pass The wiring inspection check passed. • Leave the 2 cutting reel motor cable connectors unplugged from the e-reels harness connectors P17 and P18. • Leave the 48 V power disconnected from the cutting units from the system. This prevents unexpected operation of cutting units.
Page 271 g234786 g234787 Figure 150 Figure 151 1. Rear tire 3. Hydraulic steering 1. E-reels harness connector 3. Hydraulic steering cylinder assembly cylinder assembly 2. Rear fork base 2. Rear fork base Locate the e-reels harness connectors P17 and P18. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected Location...
Page 272 Wire Expected Location Harness Connector Connector Graphic Color Reading Main White (W) 30k to 32k Black ohms (BK) Main (48 V Ground) Pass The resistance tests passed, but the voltage readings in Step 3 are still bad. Note: Do not go to Step 5 until after the voltage readings in Step 3 are good. Fail One or more of the power and ground wiring tests failed.
Page 273 Step 6: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 274: Fault 113: Internal Regulator Low Voltage - Reel Motor 2
Fault 113: Internal Regulator Low Voltage – Reel Motor 2 Note: When any individual cutting reel motor is shut off due to a fault, the TEC-5001 shuts off the other cutting reel motors. Note: If multiple machine faults are reported within a few seconds, troubleshooting should begin with the first cutting reel motor to report a fault.
Page 275 g236000 Figure 153 1. Left-hand side cover 3. E-reels harness connector P20 2. Step 4. E-reels harness connector P19 Disconnect the 2 cutting reel motor cable connectors from the e-reels harness connectors P19 and P20. Inspect the 2 cutting reel motor cable connectors and the 2 main harness connectors for the following: •...
Page 276 Pass The wiring inspection check passed. • Leave the 2 cutting reel motor cable connectors unplugged from the e-reels harness connectors P19 and P20. • Leave the 48 V power disconnected from the cutting units from the system. This prevents unexpected operation of cutting units.
Page 277 g234786 g234787 Figure 154 Figure 155 1. Rear tire 3. Hydraulic steering 1. E-reels harness connector 3. Hydraulic steering cylinder assembly cylinder assembly 2. Rear fork base 2. Rear fork base Locate the e-reels harness connectors P19 and P20. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected Location...
Page 278 Wire Expected Location Harness Connector Connector Graphic Color Reading Main White (W) 30k to 32k Black ohms (BK) Main (48 V Ground) Pass The resistance tests passed, but the voltage readings in Step 3 are still bad. Note: Do not go to Step 5 until after the voltage readings in Step 3 are good. Fail One or more of the power and ground wiring tests failed.
Page 279 Step 6: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 280: Fault 114: Internal Regulator Low Voltage - Reel Motor 3
Fault 114: Internal Regulator Low Voltage – Reel Motor 3 InfoCenter Display: _____FAULT #114____ 3 - INTERNAL UNDER V Fault Description Insufficient voltage was detected at the internal voltage regulator for cutting reel motor 3. This fault can occur if the cutting reel motor unexpectedly loses power. For example, if the cutting reel motor connector is pulled apart when powered, this fault is reported.
Page 281 g235999 Figure 157 1. Step 3. E-reels harness connector P22 2. 12 V battery 4. E-reels harness connector P21 Disconnect the 2 cutting reel motor cable connectors from the e-reels harness connectors P21 and P22. Inspect the 2 cutting reel motor cable connectors and the 2 e-reels harness connectors for the following: •...
Page 282 Pass The wiring inspection check passed. • Leave the 2 cutting reel motor cable connectors unplugged from the e-reels harness connectors P21 and P22. • Leave the 48 V power disconnected from the cutting units from the system. This prevents unexpected operation of cutting units.
Page 283 g234786 g234787 Figure 158 Figure 159 1. Rear tire 3. Hydraulic steering 1. E-reels harness connector 3. Hydraulic steering cylinder assembly cylinder assembly 2. Rear fork base 2. Rear fork base Locate the e-reels harness connectors P21 and P22. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected Location...
Page 284 Wire Expected Location Harness Connector Connector Graphic Color Reading Main White (W) 30k to 32k Black ohms (BK) Main (48 V Ground) Pass The resistance tests passed, but the voltage readings in Step 3 are still bad. Note: Do not go to Step 5 until after the voltage readings in Step 3 are good. Fail One or more of the power and ground wiring tests failed.
Page 285 Step 6: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 286: Fault 121: Invalid Hall State - Reel Motor 1
Fault 121: Invalid Hall State – Reel Motor 1 InfoCenter Display: _____FAULT #121____ 1 - INTERNAL Fault Description The invalid Hall state fault indicates that the Hall effect sensors in the cutting reel motor are providing an invalid motor speed reading. When a sensor fails, the cutting reel motor cannot maintain steady speed and becomes unstable.
Page 287 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 288: Fault 122: Invalid Hall State - Reel Motor 2
Fault 122: Invalid Hall State – Reel Motor 2 InfoCenter Display: _____FAULT #122____ 2 - INTERNAL Fault Description The invalid Hall state fault indicates that the Hall effect sensors in the cutting reel motor are providing an invalid motor speed reading. When a sensor fails, the cutting reel motor cannot maintain steady speed and becomes unstable.
Page 289 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 290: Fault 123: Invalid Hall State - Reel Motor 3
Fault 123: Invalid Hall State – Reel Motor 3 InfoCenter Display: _____FAULT #123____ 3 - INTERNAL Fault Description The invalid Hall state fault indicates that the Hall effect sensors in the cutting reel motor are providing an invalid motor speed reading. When a sensor fails, the cutting reel motor cannot maintain steady speed and becomes unstable.
Page 291 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 292: Fault 124: Invalid Hall State - Starter/Generator
Fault 124: Invalid Hall State – Starter/Generator InfoCenter Display: _____FAULT #124____ - INTERNAL Fault Description This fault is reported when the Hall effect sensors in the Starter/Generator (S/G) are providing an invalid reading. When this sensor fails, the engine will not maintain a steady speed. Note: This fault will not disable the machine functionality Circuit Description...
Page 293 (Greensmaster 3320) section or the Generator Assembly (Greensmaster 3420), depending on your machine. Use Toro DIAG to program the new S/G. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer to Toro DIAG–Quick Start (page...
Page 294: Fault 125: Short Detected - Reel Motor 1
Fault 125: Short Detected – Reel Motor 1 InfoCenter Display: _____FAULT #125____ 1 - SHORTED Fault Description The reel motor in cutting unit 1 has an internal short circuit. Circuit Description The three cutting reel motors in the machine are identical 48 V, 1100 watt, brushless, permanent magnet motors.
Page 295 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 296: Fault 126: Short Detected - Reel Motor 2
Fault 126: Short Detected – Reel Motor 2 InfoCenter Display: _____FAULT #126____ 2 - SHORTED Fault Description The reel motor in cutting unit 2 has an internal short circuit. Circuit Description The three cutting reel motors in the machine are identical 48 V, 1100 watt, brushless, permanent magnet motors.
Page 297 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 298: Fault 127: Short Detected - Reel Motor 3
Fault 127: Short Detected – Reel Motor 3 InfoCenter Display: _____FAULT #127____ 3 - SHORTED Fault Description The reel motor in cutting unit 3 has an internal short circuit. Circuit Description The three cutting reel motors in the machine are identical 48 V, 1100 watt, brushless, permanent magnet motors.
Page 299 Step 3: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 300: Fault 128: Short Detected - Unknown Reel Motor
Fault 128: Short Detected – Unknown Reel Motor InfoCenter Display: _____FAULT #128____ UNKNOWN - SHORTED Fault Description One of the three reel motors has an internal short circuit. The TEC is unable to define which motor has the problem. Circuit Description The three cutting reel motors in the machine are identical 48 V, 1100 watt, brushless, permanent magnet motors.
Page 301 g235999 Figure 167 1. Step 3. E-reels harness connector P18 2. 12 V battery 4. E-reels harness connector P17 Locate and disconnect the 2 cutting reel motor connectors from the e-reels harness connectors P19 and P20 for cutting unit 2. (Figure 168).
Page 302 The fault did not repeat. Go to Step 3 and continue there. Fail If the fault repeats, contact the Toro Technical Assistance Center for additional guidance. Step 3: Individually connect each cutting reel motor. The purpose of Step 3 is to identify which reel motor is shorted.
Page 303 Go to Step 5. Step 5: Use Toro DIAG to program the replacement cutting reel motor. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 304: Fault 129: Starter/Generator Current Sensor Fault
Fault 129: Starter/Generator Current Sensor Fault InfoCenter Display: _____FAULT #129____ SG Current Sensor Fault Description This fault is reported when the starter/generator (S/G) controller detects that one of the three current sensors inside the S/G controller has failed. Circuit Description The S/G controller contains 3 internal current sensors.
Page 305 Generator Assembly (Greensmaster 3420), depending on your machine. Step 5: Use Toro DIAG to program the S/G. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 306: Fault 131: Internal Tec Controller Fault
#131____ INT. DEVEL. Fault Description The primary Toro electronic controller (TEC-5001) reports this fault when it detects a software fault exists within the primary TEC-5001. Circuit Description The primary TEC-5001 controller monitors the condition of various machine switches and sensors (inputs) and directs electrical power to control machine functions (outputs) based on the state of the inputs.
Page 307: Fault 132: Internal Tec Controller Fault
#132____ INT. DEVEL. Fault Description The primary Toro electronic controller (TEC-5001) reports this fault when it detects a software fault exists within the primary TEC. Circuit Description The primary TEC controller monitors the condition of various machine switches and sensors (inputs) and directs electrical power to control machine functions (outputs) based on the state of the inputs.
Page 308: Fault 133: Internal Tec Controller Fault
Note: If the fault does not repeat, an isolated event has occurred. Fail The fault repeated. Contact the Toro Technical Assistance Center for assistance. Note: You must fix this software fault. Accomplish the TEC software repair with direct assistance from Toro.
Page 309: Fault 134: Internal Tec Controller Fault
Note: If the fault does not repeat, an isolated event has occurred. Fail The fault repeated. Contact the Toro Technical Assistance Center for assistance. Note: You must fix this software fault. Accomplish the TEC software repair with direct assistance from Toro.
Page 310: Fault 135: Internal Tec Controller Fault
Note: If the fault does not repeat, an isolated event has occurred. Fail The fault repeated. Contact the Toro Technical Assistance Center for assistance. Note: You must fix this software fault. Accomplish the TEC software repair with direct assistance from Toro.
Page 311: Fault 136: Internal Tec Controller Fault
Note: If the fault does not repeat, an isolated event has occurred. Fail The fault repeated. Contact the Toro Technical Assistance Center for assistance. Note: You must fix this software fault. Accomplish the TEC software repair with direct assistance from Toro.
Page 312: Fault 137: Joystick Broken
Fault 137: Joystick Broken InfoCenter Display: _____FAULT #137____ JOYSTICK - INPUT Fault Description This fault is reported by the primary TEC controller when it detects a joystick signal and a joystick LOWER RAISE signal at the same time. There must be a failed switch or damaged wiring for this to occur. Circuit Description There are 2 switches located on the control arm for the joystick.
Page 313 g242642 Figure 171 1. Joystick 3. Console cover mounting screws (8) 2. Top edge of console cover Lower the console cover away from the console (Figure 172). g240321 Figure 172 1. Console 2. Console cover The joystick switches and wiring are now accessible (Figure 173).
Page 314 g242643 Figure 173 1. Joystick 4. Joystick lower switch 2. Joystick raise switch 5. Main harness connector P14 3. Main harness connector P13 Step 4: Test the joystick switches. Unplug main harness connector P13 from the joystick raise switch (Figure 173).
Page 315 Step 5: Test the wiring for the joystick switches. Remove the right side cover (Figure 175). g237042 Figure 175 1. Right side cover Slide the operator seat assembly all the way toward the rear of the machine. Then tilt the seat itself forward. Locate the primary TEC-5001 controller (Figure 176).
Page 316 Remove the four mounting bolts that secure the primary TEC-5001 controller (Figure 176). Lift the primary TEC up and out of its mounted location (Figure 177). Fully loosen the socket-head screw that secures main harness connector P01 to the primary TEC and then unplug the connector (Figure 177).
Page 317 There are three procedures that you need to accomplish as part of replacing a TEC. Refer to Replacing a Toro Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23)
Page 318 Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC. The fault no longer Go to Returning the Machine to Service (page 21) and follow the steps listed.
Page 319: Fault 141: Software Incompatible - Reel Motor 1
Use Toro DIAG to reprogram the machine. If the first attempt to reprogram the machine is unsuccessful, try reprogramming the machine a second time. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 320: Fault 142: Software Incompatible - Reel Motor 2
Use Toro DIAG to reprogram the machine. If the first attempt to reprogram the machine is unsuccessful, try reprogramming the machine a second time. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 321: Fault 143: Software Incompatible - Reel Motor 3
Use Toro DIAG to reprogram the machine. If the first attempt to reprogram the machine is unsuccessful, try reprogramming the machine a second time. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 322: Fault 144: Software Incompatible - Starter/Generator
Use Toro DIAG to reprogram the machine. If the first attempt to reprogram the machine is unsuccessful, try reprogramming the machine a second time. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 323 Use Toro DIAG to reprogram the machine. If the first attempt to reprogram the machine is unsuccessful, try reprogramming the machine a second time. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 324 Step 3: Prepare to test the InfoCenter wiring and/or replace the InfoCenter. To test the InfoCenter wiring or replace the InfoCenter, remove the side cover as follows: Remove the eight screws that secure the console cover to the underside of the console. This allows access inside the console.
Page 325 g240321 Figure 180 1. Console 2. Console cover The back of the InfoCenter is now accessible. g240322 Figure 181 1. Console 3. Main harness connector P56 2. InfoCenter 4. InfoCenter retaining ring Step 4: Test the power and ground wiring in main harness connector P56.
Page 326 Unplug connector P56 from the back of the InfoCenter. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected Location Harness Connector Connector Graphic Color Reading Seat Pink (PK) Approx. 75 ohms Chassis ground Black Seat (BK) Less than 2...
Page 327 Secure the InfoCenter with the retaining ring. Plug connector P56 into the InfoCenter. Step 7: Use Toro DIAG to program the InfoCenter. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 328 Fault 146: CAN Bus Fault – InfoCenter InfoCenter Display: _____FAULT #146____ Fault Description This fault is reported when the primary TEC-5001 controller loses or never established communication with the InfoCenter. Circuit Description The InfoCenter is connected to the 12 V CAN bus, along with the primary TEC-5001. Recommended Service Actions Step 1: Verify that the fault repeats.
Page 329 g240300 Figure 182 1. InfoCenter display 3. Console cover mounting screws (8) 2. Top edge of console cover Lower the console cover away from the console (Figure 183). g240321 Figure 183 1. Console 2. Console cover The back of the InfoCenter is now accessible (Figure 184).
Page 330: Connector Pin
g240322 Figure 184 1. Console 3. Main harness connector P56 2. InfoCenter 4. InfoCenter retaining ring Step 4: Test the InfoCenter CAN bus wiring. Unplug connector P56 from the back of the InfoCenter. Use a multimeter to test the resistance between the following pairs of locations: Wire Expected Location...
Page 331 Secure the InfoCenter with the retaining ring. Plug connector P56 into the InfoCenter. Step 6: Use Toro DIAG to program the InfoCenter. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer Toro DIAG–Quick Start (page 22).
Page 332 Electrical Diagram g334808 Figure 185...
Page 333 Returning the Machine to Service (page 21) and follow the steps listed. Step 3: Swap the primary TEC with a known good unit. Note: TEC controllers are programmed to specific machine model and serial numbers. TEC controllers do not function until programmed by Toro DIAG.
Page 334 Electronic Controller (TEC) (page 23). Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23) Replace the TEC. (page 24) Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25) Duplicate the operation of the machine when the fault occurred with the original primary TEC.

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Toro Greensmaster TriFlex 3300 Manual

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Step 3: Swap Cutting Reel Motors between Cutting Units.

Step 3: Swap Cutting Reel Motors between Cutting Units/All of the Cutting Reel Motors Are Identical

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