Maytag Neptune MAH3000 Service Manual

Neptune series 27" front-load washer

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Service manual (157 pages)

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Summary of Contents for Maytag Neptune MAH3000

Page 1 Customer Service Washer Washer Service Manual Service Manual 16010061 Compiled From 16008373, 16010199, 16010886 11/03...
Page 2: Safety Precautions
SAFETY PRECAUTIONS This manual is to be used only by a Maytag Authorized Service Technician familiar with and knowledgeable of proper safety and servicing procedures and possessing high quality testing equipment associated with microwaves, gas, and electrical appliance repair. All individuals who attempt repairs by improper means or adjustment subject themselves and others to the risk of serious or fatal injury.
Page 3 Model(s) covered in this manual: MAH3000 For additional information on material covered in this manual, including safety issues, contact: Maytag Appliances Sales Company 240 Edwards Street, S.E. Cleveland, TN 37311 Phone: 423.472.3333 FAX: 423.478.6722...
Page 4: Table Of Contents
Cabinet Vibration Absorber ......................... 2 - 1 3 i i i i i i i i i i 1 6 0 0 8 3 7 3 - 0 1 C O N T E N T S © 1998 Maytag Corporation...
Page 5 SPIN BASKET ASSEMBLY W/BALANCE RING ..................7-3 DRIVE PULLEY .................................. 7-4 SPINNER TUB SUPPORT ............................7-5 iii iii iii iii iii C O N T E N T S 1 6 0 0 8 3 7 3 - 0 1 ©1997 Maytag Corporation...
Page 6 Timer Chart Series 18 ............................9-6 Schematic Series 19 .............................. 9-7 i v i v i v i v i v 1 6 0 0 8 3 7 3 - 0 1 C O N T E N T S © 1998 Maytag Corporation...
Page 7: Pre-Installation Requirements
• Water pressure of 20 - 120 P.S.I. is required to fill the washer in the appropriate time frame. Pressures of less than 20 P.S.I. may 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 8: Installation
Discard the strap (Figure 1-2). 2. Tip washer slightly forward. Loosen rear leveling leg lock nuts. Tip washer back slightly to loosen front leveling leg lock nuts (Figure 1-3). 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 9: Grounding Polarity Checks
GROUNDING POLARITY CHECKS washer securely on all four legs. Slide the washer back into position to confirm lev- The receptacle used for all Maytag products elness to the floor. When the washer is operating on 120 Volts AC must be properly level, tighten the locking nuts up against grounded and polarized.
Page 10: Specifications
Nuts, Spinner Support Nuts, Spinner Support 18in. lbs 18in. lbs (± 3in. lbs) (± 3in. lbs) Nuts, Suspension Struts Nuts, Suspension Struts 7in. lbs 7in. lbs (± 3in. lbs) (± 3in. lbs) 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 11: Washer Controls
This continues until the cycle is complete. (See Figure 1-7 & 1-8 for a generic representa- tion of the Neptune washer control system.) Prior To Series 17 Figure 1-7 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 13 (See (See Push-To-Start/Line Relay Operation). Water Valve Outputs). 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 14: Output Definitions
The machine control will continuously ener- gize the Door Lock Wax Motor Output during the final (Spin 3) sequence until 30 seconds before the washer begins to coast from the final speed. 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 15 The machine control gates the power to the hot and cold Water Valve Outputs. When the pressure switch senses that the full level is reached, the 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 16: Cycle Sequence Definitions
Door Lock Wax Motor to fully retract. At this time, the Door Lock Light Output (washers between Series 10 and 16 only) or the "On" Light Output (Series 17 and later 1-10 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 17: M I S C E L L A N E O U
0 rpm then tumble until the switch is ener- gized. At that point, it will restart the spin se- quence. If the door lock switch is not ener- gized after 2 minutes of tumbling, the machine 1-11 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 18: Push-To-Start Relay Operation
C O M GY 26 120 VAC LINE BK 27 (W hen door is closed) 120 VAC Line To Timer & Motor Control Board RD 28 PUSH TO START SWITCH Figure 1-8 1-12 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 19: Cycle Review
Diagnosis - Clothes Wet at End of Spin). Tumble Pattern - Number of seconds tumbling/Number of seconds of pause between tumbles. Cot t on/ Sturdy Easy Care/ Delicat es Hand W ashab les Perm Press 6/24 3/27 1-13 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 20: General Component Exploded View
GENERAL COMPONENT EXPLODED VIEW 1-14 16008373-01 SECTION 1. GENERAL INFORMATION © 1998 Maytag Corporation...
Page 21: Electrical Test Equipment
TEST TEST TEST EQUIPMENT EQUIPMENT EQUIPMENT The equipment required to service Maytag often require the use of electrical testing products depends largely upon the conditions equipment such as: you encounter. Locating a malfunction will D e s c r i p t i o n...
Page 22: Electrical Tests
Plug red lead into socket marked red (+). Place test leads into receptacle to deter- mine voltage available. 2 - 2 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 23: Timer & Console Switches
The voltages for the four circuits is shown on have a resistance of approximately 18 ohms. the timer chart of the electrical schematic This is the resistance reading of the pump enclosed in the washer console. 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 24 30 seconds, which is its advance time. It does not look for a timer input change. 2 - 4 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 25: Machine Control
To check voltages from the board, turn timer dial to a wash cycle and press the start/off button. This will activate the L1 relay board and apply power on the machine control. 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 26 120 VA C N o t Inv o lv e d (S e r ies 17) 2 - 6 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 27: Drive Motor
5 seconds then stop. 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 28: Motor Phase Test
(See Section 3: T (See Section 3: T (See Section 3: T (See Section 3: Tr r r r r ouble- ouble- ouble- ouble- ouble- shooting). shooting). shooting). shooting). shooting). 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 29: Motor Windings Check
If the motor does not run properly, phase A or B is not functioning. Perform the motor 2 - 9 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 30 (Figure 2-10 and 2-11). (Figure 2-10 and 2-11). (Figure 2-10 and 2-11). (Figure 2-10 and 2-11). Figure 2-10 Figure 2-10 Figure 2-10 Figure 2-10 Figure 2-10 2-10 2-10 2-10 2-10 2-10 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 31: Unbalance Control System
2-11 2-11 2-11 2-11 2-11 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 32: Tub Displacement Switch
If not, replace the switch. 750-800 ..... TOP SPIN SPEED Figure 2-12 2 - 1 2 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 33: Inertial Unbalance Switch
2 - 1 3 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation...
Page 36 24 VDC and 120 VAC circuits. 3 - 2 3 - 2 3 - 2 3 - 2 3 - 2 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 37 Replace the motor if the motor teminals are loose. 3 - 3 3 - 3 3 - 3 3 - 3 3 - 3 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 38 T R O U B L E S H O O T I N G 3 - 4 3 - 4 3 - 4 3 - 4 3 - 4 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 39 T R O U B L E S H O O T I N G 3 - 5 3 - 5 3 - 5 3 - 5 3 - 5 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 40 T R O U B L E S H O O T I N G 3 - 6 3 - 6 3 - 6 3 - 6 3 - 6 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 41 T R O U B L E S H O O T I N G 3 - 7 3 - 7 3 - 7 3 - 7 3 - 7 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 42 T R O U B L E S H O O T I N G 3 - 8 3 - 8 3 - 8 3 - 8 3 - 8 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 43 T R O U B L E S H O O T I N G 3 - 9 3 - 9 3 - 9 3 - 9 3 - 9 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 44 T R O U B L E S H O O T I N G 3 - 1 0 3 - 1 0 3 - 1 0 3 - 1 0 3 - 1 0 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 45 T R O U B L E S H O O T I N G 3 - 1 1 3 - 1 1 3 - 1 1 3 - 1 1 3 - 1 1 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 46 T R O U B L E S H O O T I N G 3 - 1 2 3 - 1 2 3 - 1 2 3 - 1 2 3 - 1 2 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 47 Press the timer knob onto the timer shaft. 3 - 1 3 3 - 1 3 3 - 1 3 3 - 1 3 3 - 1 3 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 48: Miscellaneous Information
Spinning (850 rpm) 400-410 3 - 1 4 3 - 1 4 3 - 1 4 3 - 1 4 3 - 1 4 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING © 1998 Maytag Corporation...
Page 49: R E M O V A L
Figure 4-2 Figure 4-2 back to rear panel. 4 - 1 4 - 1 4 - 1 4 - 1 4 - 1 1 6 0 0 8 3 7 3 - 0 1 SECTION 4. CONSOLE © 1998 Maytag Corporation...
Page 50: Vertical Switches
Console. on the Console. on the Console. 4 - 2 4 - 2 4 - 2 4 - 2 4 - 2 1 6 0 0 8 3 7 3 - 0 1 SECTION 4. CONSOLE © 1998 Maytag Corporation...
Page 51: Timer Removal/Replacement
7 . Lift the timer away from the console. 4 - 3 4 - 3 4 - 3 4 - 3 4 - 3 1 6 0 0 8 3 7 3 - 0 1 SECTION 4. CONSOLE © 1998 Maytag Corporation...
Page 53: Door Assembly & Hinges
The top edge of the outer panel is folded over the inner door plug. 2. With the outer door panel removed, the stabilizer is exposed and is attached to the inner door plug. 16008373-01 SECTION 5. CABINET ASSEMBLY © 1998 Maytag Corporation...
Page 54: Cabinet Vibration Absorber
(Figure 5-2). FRONT PANEL R E M O V A L Figure 5-4 1 . Disconnect power to the unit. 16008373-01 SECTION 5. CABINET ASSEMBLY © 1998 Maytag Corporation...
Page 55: Top Cover
Door Lock Accessory Switch Cable Latch Axle L a m p Axle Spring Holder Figure 5-5 Figure 5-6 Door Switch Latch R a m p Switch Holder Bulb Cover Figure 5-7 16008373-01 SECTION 5. CABINET ASSEMBLY © 1998 Maytag Corporation...
Page 56: Front Shroud Assembly
(Figure 5-8). sealing lip of the gasket (Figure 5-9). 16008373-01 SECTION 5. CABINET ASSEMBLY © 1998 Maytag Corporation...
Page 57: Cabinet Assembly W/Rear Access Panel
When replacing the shroud, be sure to tuck the harness inside the upper flange of the top cover to keep the wires from being pinched and damaged. 16008373-01 SECTION 5. CABINET ASSEMBLY © 1998 Maytag Corporation...
Page 59: Water Valve
This will allow the injector hose to clear case of overspray when water pressure is the rear cabinet opening. relieved. 16008373-01 SECTION 6. WATER CARRYING COMPONENTS © 1998 Maytag Corporation...
Page 60: Water Level Pressure Switch
3 . Remove one of the rear baffles. switch is secured to the rear console panel with one screw. 4 . Grasp and lift the airdome hose from the sump area (See Figure 6-3). 16008373-01 SECTION 6. WATER CARRYING COMPONENTS © 1998 Maytag Corporation...
Page 61: Dispenser Assembly
3 . Remove the four screws securing the dis- penser bezel and assembly to the top cover. 16008373-01 SECTION 6. WATER CARRYING COMPONENTS © 1998 Maytag Corporation...
Page 62: Front Water Flume Injector
(See Front Panel & Top Cover Removal). 3 . Remove the front shroud assembly (See Front Shroud Assembly Removal) . 4 . Remove the outer tub cover (See Outer Tub Cover Removal). 16008373-01 SECTION 6. WATER CARRYING COMPONENTS © 1998 Maytag Corporation...
Page 63: Pump Accessory
2 . Disconnect the drain hose from the exist- ing pump in the washer. 3 . Attach the accessory connector to the pump drain outlet and secure with the clamp found in the kit. Figure 6-8 16008373-01 SECTION 6. WATER CARRYING COMPONENTS © 1998 Maytag Corporation...
Page 64: Drain Hose
Loosen the clamp and remove the drain hose (Fig- ure 6-10). Clamp 5 . Reverse the previous steps for Drain Hose replacement. Figure 6-10 16008373-01 SECTION 6. WATER CARRYING COMPONENTS © 1998 Maytag Corporation...
Page 66: Outer Tub & Spinner Assembly
Figure 7-1 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY © 1998 Maytag Corporation...
Page 67: Outer Tub Cover
This exposes the sump area on the floor cover. of the outer tub and the water injector flume on top of the outer tub. 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY © 1998 Maytag Corporation...
Page 68: Spin Basket Assembly W/Balance Ring
The mounting nuts are concealed under the rear baffles (Figure 7-4). 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY © 1998 Maytag Corporation...
Page 69: Drive Pulley
"rocking/side-to- side" motion. If the pulley has a snug fit, use your Spanner Wrench to apply enough leverage to pry the pulley off the shaft (Figure 7-6). 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY © 1998 Maytag Corporation...
Page 70: Spinner Tub Support
7 . Remove the shaft seal (Figure 7-8). REPLACEMENT 1 . Reverse the previous steps. 2 . IMPORTANT: Secure the three locking nuts (½" socket) on the spinner tub support studs (18 in. lbs. torque). 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY © 1998 Maytag Corporation...
Page 71: Seal System
Figure 7-8 3 . With a flathead screwdriver, pry the seal carefully off the tub support shaft (Figure 7 - 8 ) . 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY © 1998 Maytag Corporation...
Page 72: Outer Tub Assembly
One is secured to the top of the tub assembly and the other is secured to the bottom of the tub assembly. Counter Balance Bolt Figure 7-12 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY © 1998 Maytag Corporation...
Page 73: Strut Assembly
Should the machine detect another unbalance, the control will implement another redistribution of the load. 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY © 1998 Maytag Corporation...
Page 74: Tub Displacement Switch
Should con- tact with the cabinet occur before the machine reaches 500 rpm, the machine control is alerted and will reduce speed to implement a redistribution program. 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY © 1998 Maytag Corporation...
Page 76: Motor Drive System
(Figure 8-2). (Figure 8-2). (Figure 8-2). 8 - 1 8 - 1 8 - 1 8 - 1 8 - 1 1 6 0 0 8 3 7 3 - 0 1 SECTION 8. MOTOR DRIVE SYSTEM © 1998 Maytag Corporation...
Page 77: Machine Control
8 - 2 8 - 2 8 - 2 8 - 2 8 - 2 1 6 0 0 8 3 7 3 - 0 1 SECTION 8. MOTOR DRIVE SYSYTEM © 1998 Maytag Corporation...
Page 78: Motor Control
7 . To replace, reverse the previous steps. 8 - 3 8 - 3 8 - 3 8 - 3 8 - 3 1 6 0 0 8 3 7 3 - 0 1 SECTION 8. MOTOR DRIVE SYSTEM © 1998 Maytag Corporation...
Page 80 I N F O R M A T I O N Prior to Series 17 9 - 1 9 - 1 9 - 1 9 - 1 9 - 1 1 6 0 0 8 3 7 3 - 0 1 SECTION 9. ELECTRICAL SCHEMATICS © 1998 Maytag Corporation...
Page 81 TIMER CHART - Prior to Series 17 9 - 2 9 - 2 9 - 2 9 - 2 9 - 2 1 6 0 0 8 3 7 3 - 0 1 SECTION 9. ELECTRICAL SCHEMATICS © 1998 Maytag Corporation...
Page 82 ELECTRICAL SCHEMATIC - Series 17 ELECTRICAL SCHEMATIC - Series 17 9 - 3 9 - 3 9 - 3 9 - 3 9 - 3 1 6 0 0 8 3 7 3 - 0 1 SECTION 9. ELECTRICAL SCHEMATICS © 1998 Maytag Corporation...
Page 83 TIMER CHART - Series 17 TIMER CHART - Series 17 9 - 4 9 - 4 9 - 4 9 - 4 9 - 4 1 6 0 0 8 3 7 3 - 0 1 SECTION 9. ELECTRICAL SCHEMATICS © 1998 Maytag Corporation...
Page 84 ELECTRICAL SCHEMATIC - Series 18 ELECTRICAL SCHEMATIC - Series 18 9 - 5 9 - 5 9 - 5 9 - 5 9 - 5 1 6 0 0 8 3 7 3 - 0 1 SECTION 9. ELECTRICAL SCHEMATICS © 1998 Maytag Corporation...
Page 85 TIMER CHART - Series 18 TIMER CHART - Series 18 9 - 6 9 - 6 9 - 6 9 - 6 9 - 6 1 6 0 0 8 3 7 3 - 0 1 SECTION 9. ELECTRICAL SCHEMATICS © 1998 Maytag Corporation...
Page 86 ELECTRICAL SCHEMATIC - Series 19 ELECTRICAL SCHEMATIC - Series 19 9 - 7 9 - 7 9 - 7 9 - 7 9 - 7 1 6 0 0 8 3 7 3 - 0 1 SECTION 9. ELECTRICAL SCHEMATICS © 1998 Maytag Corporation...
Page 87 N O T E S N O T E S 9 - 8 9 - 8 9 - 8 9 - 8 9 - 8 1 6 0 0 8 3 7 3 - 0 1 SECTION 9. ELECTRICAL SCHEMATICS © 1998 Maytag Corporation...
Page 88 CONTENTS...
Page 93 " " d S " " d...
Page 96 )DEULF 6RIWQHU %OHDFK &ROG 'HWHUJHQW :DVK...
Page 107 INTRODUCTION CONTENTS...
Page 111 (See definition of Tumble Flush)

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