Toro Greensmaster TriFlex 3300 Manual page 148

1. Key switch
2. Unplug connector P10 from the back of the warning lamp assembly and then use a multimeter to test the
resistance between the following pair of locations:
Location Harness
1 Main
2
Pass The resistance test passed. Go to Step 3.
Fail The resistance test failed. Repair or replace the worn or damaged parts. Go to
Machine to Service (page 21)
Step 3: Replace the warning lamp assembly.
1. Install a new warning lamp assembly.
2. Operate the machine.
Pass
The fault did not repeat. Go to
Note:
If the fault does not repeat, an isolated event has occurred.
Fail The fault repeated. Go to Step 4.
Step 4: Swap the primary TEC controller 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.
There are three procedures that you need to accomplish as part of replacing a TEC. Refer to
Electronic Controller (TEC) (page
1. Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23)
2. Replace the TEC. (page 24)
3. Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25)
4. Duplicate the operation of the machine when the fault occurred with the original primary TEC.
Pin
Connector
P10 1A Blue (BU)
Chassis ground
and follow the steps listed.
Returning the Machine to Service (page 21)
23).
Figure 84
2. Warning lamp assembly
Wire Expected
Color Reading
Open
(infinite)
148
Connector Graphic
Returning the
and follow the steps listed.
Replacing a Toro
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