Page 2 - SAFETY PRECAUTIONS; others to the risk of serious or fatal injury.
© 1998 Maytag Corporation 16008373-01 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...
Page 3 - I N T R O D U C T I O N; will be covered generally without regard to model.; Maytag Appliances Sales Company
© 1998 Maytag Corporation 16008373-01 INTRODUCTION i I N T R O D U C T I O N Each model will be covered separately in a section pertaining only to its control system and internal components. Because the basic structure for all washers is the same, they will be covered generally without regard to mod...
Page 7 - SECTION 1. GENERAL INFORMATION; Checkpoints for proper installation:; U N C R AT I N G I N S T R U C T I O N S; Remove the carton by cutting only in; They will be removed later; Remove the crate bottom from the washer
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1 - 1 SECTION 1. GENERAL INFORMATION P R E - I N S TA L L AT I O NR E Q U I R E M E N T S NOTE: Proper installation is the responsibil- ity of the purchaser. Checkpoints for proper installation: • Properly grounded electrical outle...
Page 8 - I N S TA L L AT I O N; Two separate red shipping straps are used
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1 - 2 I N S TA L L AT I O N 1. Two separate red shipping straps are used to secure the machine for shipping pur-poses and to secure the power cord withthe water inlet hoses. Remove the strapsin the following sequence: A . Locate th...
Page 9 - Slide the washer into position and check; G R O U N D I N G P O L A R I T Y C H E C K S; Do not cut or remove the ground-
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1 - 3 4. Slide the washer into position and check the levelness and stability of the washer.If necessary, slide the washer out of posi-tion to either raise or lower the levelingleg as required to level and stabilize thewasher secur...
Page 10 - S P E C I F I C AT I O N S
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1 - 4 Figure 1-6 S P E C I F I C AT I O N S Plug power cord into a properly grounded 120volt AC-approved electrical service. Thismust be protected by a dedicated 15 amp fuseor circuit breaker. All grounding and wiring should be per...
Page 11 - W A S H E R C O N T R O L S; The machine control has direct control of these items:; Prior To Series 17
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1 - 5 W A S H E R C O N T R O L S The control system in the Neptune horizontal axis washer generally consists of a timer andmicroprocessor-based machine control. These receive input signals and send output signals toother equipment...
Page 12 - INPUT DEFINITIONS; If the user selects the Hand Washables
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1 - 6 INPUT DEFINITIONS DOOR LOCK SWITCH INPUTWhen input is present, this is indication thewasher door is locked. The machine control-ler will not command the spinner to spin fasterthan 50 rpm when the input is not presentprior to ...
Page 14 - OUTPUT DEFINITIONS; DOOR LOCKED LIGHT OUTPUT; ON LIGHT OUTPUT; This section applies only to washers
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1 - 8 OUTPUT DEFINITIONS DOOR LOCKED LIGHT OUTPUT NOTE: This section applies only to washers between Series 10 and 16. The "Door Locked"lights on washers from Series 17 and after arecontrolled by a "Door Locked" lig...
Page 15 - If the user chooses the Easy Care/
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1 - 9 The machine control counts the number ofrinses during a normal wash cycle. In the firstand second Rinse Tumble increments, themachine control will energize the Timer Mo-tor Output as soon as the Pressure Switch In-put is no l...
Page 16 - CYCLE SEQUENCE DEFINITIONS; Refer to Section 2: Timer Input Charts
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1-10 CYCLE SEQUENCE DEFINITIONS NOTE: Refer to Section 2: Timer Input Charts for information on the timing of each cyclesequence. B L E A C H D I S P E N S EIn a Bleach Dispense increment, the machinecontrol will follow the same tu...
Page 17 - M I S C E L L A N E O U S
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1-11 M I S C E L L A N E O U S Door Latch Switch Monitoring At the end of a cycle, when the timer advancesinto the Idle increment, the machine controlwill keep the line relay energized until it losespower when the door latch switch...
Page 18 - STOPPING THE WASHER
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1-12 The following rules determine the maximumnumber of redistribution attempts that will beallowed in each spin step before the machinecontrol skips the step and continues with thespin profile (See Section 2: Unbalance Con- trol S...
Page 19 - CYCLE REVIEW; Main Wash Time/Total Cycle Time; See Troubleshooting &; Tumble Pattern
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1-13 CYCLE REVIEW Main Wash Time/Total Cycle Time - Minutes (See Notes). Notes:1. The main wash times listed include 2 minutes of bleach fill and tumble time. 2. The total cycle times are approximate and will vary based on water fi...
Page 20 - GENERAL COMPONENT EXPLODED VIEW
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMATION 1-14 GENERAL COMPONENT EXPLODED VIEW
Page 21 - S E C T I O N 2 . E L E C T R I C A L C O M P O N E N T S & T E S T I N G; E L E C T R I C A L T E S T E Q U I P M E N T
© 1 9 9 8 M a y t a g C o r p o r a t i o n 2 - 1 2 - 1 2 - 1 2 - 1 2 - 1 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING S E C T I O N 2 . E L E C T R I C A L C O M P O N E N T S & T E S T I N G S E C T I O N 2 . E L E C T R I C A L C O M P O N E N T S & T E S T I N G S...
Page 22 - E L E C T R I C A L T E S T S; Warning; electrical power to the; Water Valve Test; This check should be made with the elec-; V o l t a g e C h e c k s; Use of the meter on voltage higher; Wax Motor Check - Door Lock
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2 - 2 E L E C T R I C A L T E S T S Warning - Always shut off electrical power to the u n i t b e f o r e b e g i n n i n g a n y service repair procedures. Water Valve Test Check the wat...
Page 24 - = Input Signal Asserted; The timer motor is hard wired to timer cams 10T and 10B in the; Tumble for 15 minutes, the machine control will open the line relay.
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2 - 4 Key: 0 = Input Signal Not Asserted 1= Input Signal Asserted Software in the machine control board specifically monitors the timer input circuits todetermine where the timer is in al...
Page 25 - Machine Control
© 1998 Maytag Corporation 2 - 5 2 - 5 2 - 5 2 - 5 2 - 5 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING Figure 2-3 Figure 2-3 Figure 2-3 Figure 2-3 Figure 2-3 Both incoming and exiting voltage are monitored through the machine control board and thesurrounding circuitry. The following tabl...
Page 27 - Motor Harness Connector
© 1998 Maytag Corporation 2 - 7 2 - 7 2 - 7 2 - 7 2 - 7 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING MOTOR CONTROL BOARD MOTOR CONTROL BOARD MOTOR CONTROL BOARD MOTOR CONTROL BOARD MOTOR CONTROL BOARD The motor control board receives 120 VACvoltage from the line cord and distributes DC...
Page 29 - M o t o r W i n d i n g s C h e c k; Disconnect power to the unit.; ( S e e M o t o r W i n d i n g s; Check Phase B
© 1 9 9 8 M a y t a g C o r p o r a t i o n 2 - 9 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING M o t o r W i n d i n g s C h e c k 1 . Disconnect power to the unit. 2 . Remove each pair of phase wires from the motor control and perform an ohm checkof each wire leading to the ...
Page 30 - PHASE WIRE COLORS
© 1998 Maytag Corporation 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2-10 2-10 2-10 2-10 2-10 TTTTTachometer Cir achometer Cir achometer Cir achometer Cir achometer Circuit Diagnostics cuit Diagnostics cuit Diagnostics cuit Diagnostics cuit Diagnostics The tachometer system of the mo...
Page 31 - UNBALANCE CONTROL SYSTEM
© 1998 Maytag Corporation 2-11 2-11 2-11 2-11 2-11 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING The motor control monitors the signals andcommunicates this information to the ma-chine control. The purpose of this signal is totell the motor when to energize each windingin the motor and ...
Page 32 - S t r u t D i s p l a c e m e n t S w i t c h; T u b D i s p l a c e m e n t S w i t c h; . Place ohm meter leads across the two ter-
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2 - 1 2 R P M F U N C T I O N 4 7 ........................... T u m b l e 47-85 ....................... D i s t r i b u t i o n 90-250 ..................... A c c e l e r a t e T h r o u ...
Page 33 - C a b i n e t V i b r a t i o n S e n s o r; Testing the Inertial Unbalance Switch:
© 1 9 9 8 M a y t a g C o r p o r a t i o n 2 - 1 3 1 6 0 0 8 3 7 3 - 0 1 SECTION 2. ELECTRICAL COMPONENTS & TESTING C a b i n e t V i b r a t i o n S e n s o r The cabinet vibration sensor is mounted to thel o w e r l e f t c o r n e r o f t h e m a c h i n e c o n t r o lboard. This is a piezo...
Page 35 - S E C T I O N 3 . T R O U B L E S H O O T I N G
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING 3 - 1 3 - 1 3 - 1 3 - 1 3 - 1 S E C T I O N 3 . T R O U B L E S H O O T I N G S E C T I O N 3 . T R O U B L E S H O O T I N G S E C T I O N 3 . T R O U B L E S H O O T I N G S E C T I O N 3 . T R O U B L E S...
Page 38 - T R O U B L E S H O O T I N G
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING 3 - 4 3 - 4 3 - 4 3 - 4 3 - 4 T R O U B L E S H O O T I N G T R O U B L E S H O O T I N G T R O U B L E S H O O T I N G T R O U B L E S H O O T I N G T R O U B L E S H O O T I N G
Page 47 - on the facia. Press the timer knob onto the timer shaft.
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING 3 - 1 3 3 - 1 3 3 - 1 3 3 - 1 3 3 - 1 3 T R O U B L E S H O O T I N G T R O U B L E S H O O T I N G T R O U B L E S H O O T I N G T R O U B L E S H O O T I N G T R O U B L E S H O O T I N G Use a knife or sc...
Page 48 - M I S C E L L A N E O U S I N F O R M A T I O N
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 3. TROUBLESHOOTING 3 - 1 4 3 - 1 4 3 - 1 4 3 - 1 4 3 - 1 4 E n e r g y U s a g e E n e r g y U s a g e E n e r g y U s a g e E n e r g y U s a g e E n e r g y U s a g e ::::: The energy usage averages up to 0.10 Kwh per cycle,...
Page 49 - W a r n i n g
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 4. CONSOLE 4 - 1 4 - 1 4 - 1 4 - 1 4 - 1 S E C T I O N 4 . C O N S O L E S E C T I O N 4 . C O N S O L E S E C T I O N 4 . C O N S O L E S E C T I O N 4 . C O N S O L E S E C T I O N 4 . C O N S O L E R E M O V A L R E M O V A...
Page 51 - C o n s o l e R e m o v a l ); T I M E R R E M O V A L
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 4. CONSOLE 4 - 3 4 - 3 4 - 3 4 - 3 4 - 3 1 . D i s c o n n e c t p o w e r t o t h e u n i t . D i s c o n n e c t p o w e r t o t h e u n i t . D i s c o n n e c t p o w e r t o t h e u n i t . D i s c o n n e c t p o w e r t...
Page 53 - SECTION 5. CABINET ASSEMBLY; Warning - Always shut off; DOOR ASSEMBLY & HINGES; R E M O V A L
© 1998 Maytag Corporation 16008373-01 SECTION 5. CABINET ASSEMBLY 5 - 1 SECTION 5. CABINET ASSEMBLY Warning - Always shut off electrical power to the unit before beginning any ser- vice repair procedures. DOOR ASSEMBLY & HINGES The door assembly is reversible. It contains an inertial vibration d...
Page 54 - Cabinet Vibration Absorber; FRONT PANEL; Door Latch Hoop
© 1998 Maytag Corporation 16008373-01 SECTION 5. CABINET ASSEMBLY 5 - 2 Cabinet Vibration Absorber The purpose of the cabinet vibration absorber is to provide a dampening effect to the washer during the spin cycle. By dampening the machine vibration, the washer is able to main- tain and achieve opti...
Page 56 - F R O N T S H R O U D A S S E M B L Y; Electrical-Mechanical
© 1998 Maytag Corporation 16008373-01 SECTION 5. CABINET ASSEMBLY 5 - 4 F R O N T S H R O U D A S S E M B L Y The shroud assembly ties the sides of the cabinet together across the front for stabil- ity and provides support for mounting of the door assembly, front panel and door lock mechanism. To ga...
Page 57 - (See Door Assembly and; CABINET ASSEMBLY w/REAR
© 1998 Maytag Corporation 16008373-01 SECTION 5. CABINET ASSEMBLY 5 - 5 3. Remove the door (See Door Assembly and Hinge Removal). 4. Removal and replacement of the screws in the following order, as illustrated, is nec- essary to provide proper alignment of the parts. Failure to do so will hinder rem...
Page 59 - WATER VALVE
© 1998 Maytag Corporation 16008373-01 SECTION 6. WATER CARRYING COMPONENTS 6 - 1 SECTION 6. WATER-CARRYING COMPONENTS Warning - Always shut off electrical power to the unit before beginning any ser- vice repair procedures. 5. While pulling the bracket away from the cabinet, rotate the left side of t...
Page 60 - AIR DOME HOSE; REMOVAL FROM CONSOLE; REMOVAL FROM OUTER TUB; WATER LEVEL PRESSURE
© 1998 Maytag Corporation 16008373-01 SECTION 6. WATER CARRYING COMPONENTS 6 - 2 AIR DOME HOSE The air dome hose connects the pressure switch to the air dome located in the sump area of the outer tub. Routing of the air dome hose passes from the console down the rear wall of the cabinet to the rear ...
Page 61 - R E P L A C E M E N T / R O U T I N G; DISPENSER ASSEMBLY
© 1998 Maytag Corporation 16008373-01 SECTION 6. WATER CARRYING COMPONENTS 6 - 3 5. Pull the air dome and hose out through the sump opening in the spin basket (Figure 6-3). R E P L A C E M E N T / R O U T I N G 1. Thread the narrow end of the hose through the air dome outlet in the rear of the outer...
Page 62 - FRONT WATER FLUME INJECTOR; P U M P A S S E M B L Y
© 1998 Maytag Corporation 16008373-01 SECTION 6. WATER CARRYING COMPONENTS 6 - 4 FRONT WATER FLUME INJECTOR R E M O V A L 1. Disconnect power to the unit. 2. Remove the front panel and raise the top cover to expose the upper front cabinet area (See Front Panel & Top Cover Removal). 3. Remove the...
Page 63 - CLEANING THE PUMP; Pump Accessory Kit
© 1998 Maytag Corporation 16008373-01 SECTION 6. WATER CARRYING COMPONENTS 6 - 5 CLEANING THE PUMP The pump assembly can also be disassembled without removing the hoses from the pump (See Figure 6-6). 1. Depress the locking tab on the face of the pump housing. 2. Rotate the block portion of the pump...
Page 64 - DRAIN HOSE
© 1998 Maytag Corporation 16008373-01 SECTION 6. WATER CARRYING COMPONENTS 6 - 6 Figure 6-9 Drain Hose Access Cover Figure 6-10 Drain Hose C l a m p DRAIN HOSE The drain hose attaches to the pump and is routed through the lower rear wall of the cabi- net. The drain hose is protected externally by a ...
Page 66 - D O O R B O O T; BAFFLES
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7 - 1 SECTION 7. OUTER TUB & SPINNER ASSEMBLY Warning - Always shut off electrical power to the unit before beginning any ser- vice repair procedures. D O O R B O O T The door boot rubber gasket provides a seal bet...
Page 67 - OUTER TUB COVER
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7 - 2 6. Unsnap the locking tabs of the door boot around the inside perimeter of the door shroud (Figure 7-1). R E P L A C E M E N T 1. Align the door boot with the D-shape to- ward the front, with the flat of the D to...
Page 68 - SPIN BASKET ASSEMBLY
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7 - 3 SPIN BASKET ASSEMBLY w/BALANCE RING The balance ring is securely fastened to the spin basket and cannot be obtained as a sepa- rate repair part. To obtain, order complete spin basket assembly. The balance ring is...
Page 69 - DRIVE PULLEY
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7 - 4 DRIVE PULLEY The drive pulley can be accessed via the rear access panel of the washer. The pulley is se- cured to the shaft of the spider assembly by a bolt. The direction of pulley rotation controls the spin act...
Page 70 - SPINNER TUB SUPPORT
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7 - 5 SPINNER TUB SUPPORT The spinner tub support attaches to the spin basket and the shaft of the spider extends through a seal system to the exterior of the outer tub with a pulley attached to the end of the shaft ( ...
Page 71 - SEAL SYSTEM
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7 - 6 SEAL SYSTEM A multi-lipped water seal is positioned on the tub support shaft leading to the outer tub bear- ing. This prevents water inside the tub from reaching the bearings. The water seal is ac- cessed by remo...
Page 72 - REMOVAL OF LOWER FRONT WEIGHT; OUTER TUB ASSEMBLY
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7 - 7 Upper Weight REMOVAL OF LOWER FRONT WEIGHT 1. Remove the front panel (See Front Panel). 2. Remove the two bolts securing the weight to the outer tub assembly. Use a 9/16" socket (Figure 7-12) . 3. Lower the f...
Page 73 - STRUT ASSEMBLY; Strut Displacement Switch; INERTIAL UNBALANCE SWITCH
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7 - 8 STRUT ASSEMBLY Two struts are mounted to the base and in- serted into rubber isolators in the rear of the outer tub assembly. The struts provide sus- pension support to the outer tub assembly. R E M O V A L 1. Di...
Page 74 - TUB DISPLACEMENT SWITCH
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7 - 9 R E M O V A L 1. Disconnect power to the unit. 2. Remove the front panel and lift the top cover (See Front Panel & Top Cover Removal) . 3. The switch is located on the upper right hand side of the outer tub a...
Page 76 - S E C T I O N 8 . M O T O R D R I V E S Y S T E M; R e a r A c c e s s R e m o v a l ) .
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 8. MOTOR DRIVE SYSTEM 8 - 1 8 - 1 8 - 1 8 - 1 8 - 1 S E C T I O N 8 . M O T O R D R I V E S Y S T E M S E C T I O N 8 . M O T O R D R I V E S Y S T E M S E C T I O N 8 . M O T O R D R I V E S Y S T E M S E C T I O N 8 . M O T ...
Page 77 - M A C H I N E C O N T R O L
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 S E C T I O N 8 . M O T O R D R I V E S Y S Y T E M 8 - 2 8 - 2 8 - 2 8 - 2 8 - 2 4 . Lift the motor slightly to disengage the belt from the motor pulley. Place motor on the b a s e f r a m e . 5 . From the front, remove the wire harn...
Page 78 - M O T O R C O N T R O L
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 SECTION 8. MOTOR DRIVE SYSTEM 8 - 3 8 - 3 8 - 3 8 - 3 8 - 3 M O T O R C O N T R O L M O T O R C O N T R O L M O T O R C O N T R O L M O T O R C O N T R O L M O T O R C O N T R O L The motor control is located behind the front p a n e ...
Page 80 - Prior to Series 17
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S 9 - 1 9 - 1 9 - 1 9 - 1 9 - 1 S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S & T I M E R S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S & T I M E ...
Page 81 - TIMER CHART - Prior to Series 17
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S 9 - 2 9 - 2 9 - 2 9 - 2 9 - 2 TIMER CHART - Prior to Series 17 TIMER CHART - Prior to Series 17 TIMER CHART - Prior to Series 17 TIMER CHART - Prior to Series 17 TIMER CHART - ...
Page 82 - E L E C T R I C A L S C H E M A T I C - S e r i e s 1 7
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S 9 - 3 9 - 3 9 - 3 9 - 3 9 - 3 E L E C T R I C A L S C H E M A T I C - S e r i e s 1 7 E L E C T R I C A L S C H E M A T I C - S e r i e s 1 7 E L E C T R I C A L S C H E M A T ...
Page 83 - T I M E R C H A R T - S e r i e s 1 7
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S 9 - 4 9 - 4 9 - 4 9 - 4 9 - 4 T I M E R C H A R T - S e r i e s 1 7 T I M E R C H A R T - S e r i e s 1 7 T I M E R C H A R T - S e r i e s 1 7 T I M E R C H A R T - S e r i e ...
Page 84 - E L E C T R I C A L S C H E M A T I C - S e r i e s 1 8
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S 9 - 5 9 - 5 9 - 5 9 - 5 9 - 5 E L E C T R I C A L S C H E M A T I C - S e r i e s 1 8 E L E C T R I C A L S C H E M A T I C - S e r i e s 1 8 E L E C T R I C A L S C H E M A T ...
Page 85 - T I M E R C H A R T - S e r i e s 1 8
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S 9 - 6 9 - 6 9 - 6 9 - 6 9 - 6 T I M E R C H A R T - S e r i e s 1 8 T I M E R C H A R T - S e r i e s 1 8 T I M E R C H A R T - S e r i e s 1 8 T I M E R C H A R T - S e r i e ...
Page 86 - E L E C T R I C A L S C H E M A T I C - S e r i e s 1 9
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S 9 - 7 9 - 7 9 - 7 9 - 7 9 - 7 E L E C T R I C A L S C H E M A T I C - S e r i e s 1 9 E L E C T R I C A L S C H E M A T I C - S e r i e s 1 9 E L E C T R I C A L S C H E M A T ...
Page 87 - N O T E S
© 1 9 9 8 M a y t a g C o r p o r a t i o n 1 6 0 0 8 3 7 3 - 0 1 S E C T I O N 9 . E L E C T R I C A L S C H E M A T I C S 9 - 8 9 - 8 9 - 8 9 - 8 9 - 8 N O T E S N O T E S N O T E S N O T E S N O T E S :::::
Page 88 - supplement covers; Models covered in this manual supplement:; CONTENTS
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 1 INTRODUCTION Attached is supplement three (16008373-03) for service manual 16008373, which replaces supplement two (16008373-02). This Maytag Washer Service Manual supplement covers Models MAH4000 & MAH5500A . We suggest...
Page 89 - SECTION 2. SPECIFICATIONS
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 2 (The following information is supplemental to the information found in the basic manual part number 16008373.) SECTION 1. MAH4000/MAH5500A CONTROL FACIA Y T I C A P A C t e e F c i b u C 1 . 3 L A C I R T C E L E . y l p p u...
Page 90 - SECTION 3. BASIC MACHINE OPERATION; used in the MAH3000 washer.; SECTION 4. WASHER CONTROLS OVERVIEW
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 3 SECTION 3. BASIC MACHINE OPERATION The model MAH4000 and MAH5500A are similar to the MAH3000 washer, with the exception being the MAH4000 and MAH5500A have a recirculation pump in series between the outer tub outlet and the ...
Page 91 - SECTION 5. CYCLE REVIEW
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 4 A new Stain Cycle and revised tumble patterns were introduced and will be described in the following pages. At series 11 the timer was changed, wire harness revised and the schematic was changed. The timer cams were changed ...
Page 92 - reduce the suds present.
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 5 Notes: 1. The main wash times listed include 2 minutes of bleach fill and tumble time. 2. The total cycle times are approximate and will vary based on water fill times, due to types of clothing loads and the time for the doo...
Page 93 - General overview of Stain Cycle:; ) Tumble for an additional 15 minutes with a 6T/24P tumble pattern.; ll; Suds detection during stain cycle:
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 6 Stain Cycle: General overview of Stain Cycle: 1) Tumble in the normal tumble pattern until it has completed filling plus 3 minutes. 2) Tumble for an additional 15 minutes with a 6T/24P tumble pattern. 3) Return to selected...
Page 94 - SECTION 6. GENERAL COMPONENT - EXPLODED VIEW
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 7 SECTION 6. GENERAL COMPONENT - EXPLODED VIEW Component Identification & Location:
Page 95 - SECTION 7. ELECTRICAL INFORMATION
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 8 SECTION 7. ELECTRICAL INFORMATION N O I T C N U F E N I H C A M L O R T N O C D R A O B E R I W / L A N I M R E T E N I H C A M L O R T N O C D R A O B E R I W / L A N I M R E T - E G A T L O V . X O R P P A ) d e t a v i t ...
Page 96 - SECTION 8. WATER CARRYING COMPONENTS
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 9 &2,/:$7(59$/9( +RW &ROG %OHDFK )DEULF 6RIWQHU 'HWHUJHQW :DVK 02817,1* 6&5(: 7+(50,67 25 &211(&7 ,21 6.Carefully lift the valve with the inlet hoses attached and direct the inlet hoses through the openings...
Page 97 - RECIRCULATION PUMP
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 10 As a result of this revision, a new dis- penser bottom, water valve and hoses were introduced. (See Figure 8-2) OPERATION: When Bleach or Fabric Softener is re- quired to dispense, the dedicated sole- noid on the water valv...
Page 98 - DETERGENT HOSE; Note: Small indicator marks are painted; Removal; Indicator mark on hose for
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 11 Figure 8-5 Figure 8-6 6.To remove the pump from the mount- ing bracket, pull down on the mount- ing tabs and slide the pump off the mounting bracket. (See Figure 8-6) DETERGENT HOSE The detergent hose leads from the recir- ...
Page 100 - The upper wire harness for
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 13 Figure 8-12 7.The saddle horn is secured to the top of the outer tub with a screw. NOTE: The upper wire harness for the unbalance circuit is snapped into the saddle horn with the detergent hose. 8.Loosen the clamp on the de...
Page 101 - SECTION 9. WIRING INFORMATION
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 14 SECTION 9. WIRING INFORMATION Please refer to the technical schematic packed in the control console in the washer for up to date wiring information for the product your are servicing. The schematics on the following pages a...
Page 106 - MAYTAG; New Century
©2001 Maytag Appliances Sales Company 16010486 (16008373-05) 16008373-05 Attached is Supplement five for service manual 16008373 . This Maytag Washer Service Manual supplement covers Models MAH5500B and MAH7500 . The following information is supplemental to the information found in the basic manual ...
Page 107 - iii
©2001 Maytag Appliances Sales Company 16010486 (16008373-05) Revised 02/01 iii INTRODUCTION Attached is supplement five (16008373-05) for service manual 16008373, which in addition to supplement three (16008373-03). This Maytag Washer Service Manual supplement covers Models MAH5500B & MAH7500A ....
Page 108 - iv
©2001 Maytag Appliances Sales Company 16010486 (16008373-05) Revised 02/01 iv
Page 109 - SPECIFICATIONS; SECTION 1. GENERAL INFORMATION
©2001 Maytag Appliances Sales Company 1-1 16010486 (16008373-05) Revised 02/01 Section 1. General Information Y T I C A P A C t e e F c i b u C 1 . 3 L A C I R T C E L E . y l p p u s l a c ir t c e l e d e s u f r o r e k a e r b ti u c ri c p m a 5 1 s e ri u q e R ; z H 0 6 , s tl o V 0 2 1 .t e ...
Page 110 - BASIC MACHINE OPERATION; General Flow Of A Complete Wash Cycle; ) The drain pump will turn on (energized) for a short period of time.
©2001 Maytag Appliances Sales Company 1-2 16010486 (16008373-05) Revised 02/01 Section 1. General Information BASIC MACHINE OPERATION Models MAH5500B and MAH7500 are similar to the MAH4000 washer, with the exception being they do not have recirculation of the wash water. A special sump cap is placed...
Page 111 - CYCLE SEQUENCES; Basic Tumble Patterns:; Rinse Tumble Times:
©2001 Maytag Appliances Sales Company 1-3 16010486 (16008373-05) Revised 02/01 Section 1. General Information CYCLE SEQUENCES s n o i t c e l e S h s a W e m i T g n il b m u T y v a e H a r t x E ) a ) y l n O l e d o M D C L ( s e t u n i m 2 3 e l b m u t h s a w h c a e l b e t u n i m 2 .l li f...
Page 112 - ON/OFF SEQUENCE OF PUMP DURING SPIN CYCLE; table shows the temperature based on the user selections.; INPUT WATER TEMPERATURE
©2001 Maytag Appliances Sales Company 1-4 16010486 (16008373-05) Revised 02/01 Section 1. General Information d e e p S n i p S p m u P n i a r D m p r 0 4 5 < ) a s u o u n it n o c n O . n o it u b ir t s i d e r n i n e h w m p r 0 0 1 < ) b ff O t s ri f e h t g n ir u d d n a m p r 0 4 5 ...
Page 113 - SECTION 2. WASHER CONTROLS OVERVIEW; Figure 1; BASIC CONTROL BOARD PHILOSOPHY FOR BOTH WASHERS:
©2001 Maytag Appliances Sales Company 2-1 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview SECTION 2. WASHER CONTROLS OVERVIEW The software for the MAH5500B and the MAH7500 is different than the MAH4000 washer. The new controls operate via a membrane pad on the MAH5500 and a ...
Page 114 - USER INTERFACE; FABRIC MODE; If a regular cycle has been; SIGNAL MODE
©2001 Maytag Appliances Sales Company 2-2 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview USER INTERFACE SELECTIONS: (LED Washer) The user can select the setting of several features while in the User Interface Active Mode or the Main Wash Cycle. The user sets the features by...
Page 115 - OPTIONS MODE; DISPLAY CHARACTERISTICS; Changing Selections:
©2001 Maytag Appliances Sales Company 2-3 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview OPTIONS MODE When the extra rinse key is selected, an extra rinse is added for the wash cycles. (Page 1-3 Extra Rinse Table) When max extract speed key is selected, the max extract prof...
Page 116 - INPUT MODIFICATIONS DEFINED; PRESSURE SWITCH INPUT; Figure 2; TEMPERATURE SENSOR INPUT
©2001 Maytag Appliances Sales Company 2-4 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview INPUT MODIFICATIONS DEFINED PRESSURE SWITCH INPUT The pressure switch is a two level pressure switch. (Figure 4-2) The low level contacts provide a path for a 24 VDC sensing circuit, th...
Page 117 - powered up all the time. There no; TACH INPUT; (See Tachometer Circuit; OUTPUT MODIFICATIONS; SOLENOID OUTPUT
©2001 Maytag Appliances Sales Company 2-5 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview START/PAUSE INPUT The start/pause input is selected on the membrane switch for both washers. If this input is initially selected the machine control will begin the wash cycle sequence a...
Page 118 - Main Wash Target Temperatures
©2001 Maytag Appliances Sales Company 2-6 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview r e s U s n o i t c e l e S r e t a w t u p n I d e r e p m e t m u m i x a M n o r e t a e h e m i t - h s a W d l o C r e t a e h o n r e t a w d l o C d e r e p m e T h s a w A / N h...
Page 119 - Note: The door must be closed
©2001 Maytag Appliances Sales Company 2-7 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview If the Start/Pause key is pressed during the wash cycle the washer shall stop all the functions of the washer, placing the washer in the Idle Mode. The Start/Pause LED will flash indica...
Page 120 - DOOR LOCK PHILOSOPHY; MISCELLANEOUS
©2001 Maytag Appliances Sales Company 2-8 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview DOOR LOCK PHILOSOPHY The door lock mechanism is checked by the machine control board for proper operation. This is done in the following manner.1. The door will be locked. If the door d...
Page 121 - SPECIAL FEATURES
©2001 Maytag Appliances Sales Company 2-9 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview MAH5500B: : d e v a S n o i t a m r o f n I : e s u a C t s a L e h t f o g n i n n i g e b e h T . d e m r o f r e p p e t s e l c y c s s o l- r e w o P e c a f r e t n I r e s U t n ...
Page 122 - LED Washer
©2001 Maytag Appliances Sales Company 2-10 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview LED Washer Pressing the heavy soil and cotton/ sturdy keys for 3 seconds shall start the washer in the Advertising mode. No functions will be run except illuminating the LEDs. The Adve...
Page 123 - Due to the various differences
©2001 Maytag Appliances Sales Company 2-11 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview NOTE: Due to the various differences in the two washer control systems, the following pages will focus first on the LED washer then the LCD washer. The Help and Diagnostic code lists a...
Page 124 - Spin; QUICK SERVICE CYCLE; delicates; quick service cycle; hand wash
©2001 Maytag Appliances Sales Company 2-12 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview e g n a R d e e p S d e y a l p s i D m p r 9 9 - 0 ) a )l a u t c a ( 9 9 - 0 9 9 9 - 0 0 1 ) b m p r 0 1 / d e e p S m p r + 0 0 0 1 ) c ti g i d t s 1 A M P R 0 0 0 1 < r o 0 0 0...
Page 125 - BOARD INPUT TEST; rinse; HELP CODES; stain cycle
©2001 Maytag Appliances Sales Company 2-13 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview : d e s s e r P y e K d e m r o f r e P n o i t c n u F y d r u t s / n o tt o C e v l a V r e t a W t o H e e r F e l k n ir W e v l a V r e t a W d l o C s e t a c il e D e v l a V h...
Page 126 - Number of Cycles Since Code Assigned
©2001 Maytag Appliances Sales Company 2-14 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview Number of Cycles Since Code Assigned While this help code is displayed, if the extra rinse key is pressed and held, the machine shall display the number of cycles ago the Help code occ...
Page 127 - ACCESSING SERVICE MODE; back; Service Tests
©2001 Maytag Appliances Sales Company 2-15 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview ACCESSING SERVICE MODE LCD WASHER: Press and hold the back and help keys for 5 seconds to enter the Service Mode. Pressing the Service Mode keys again, will take the machine out of the...
Page 128 - Service Cycle; service cycle; or; system check
©2001 Maytag Appliances Sales Company 2-16 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview screen test failed." In either case the screen will step to the next screen to check the membrane switches. This test checks the membrane switches on the console pad. The screen di...
Page 130 - SYSTEM CHECK; Clear diagnostic codes:
©2001 Maytag Appliances Sales Company 2-18 16010486 (16008373-05) Revised 02/01 Section 2. Washer Controls Overview To toggle outputs, press PAUSE and select output below Input Status door closed door locked unbalance detected wash level (low) speed rinse level (high) sensed fill temperature sump te...
Page 134 - DIAGNOSTIC CODES LISTING:
©2001 Maytag Appliances Sales Company 3-4 16010486 (16008373-05) Revised 2/01 Section 3. Teardown & Wiring Information DIAGNOSTIC CODES LISTING: . g a i D e d o C n o i t p i r c s e D r e g g i r T n e k a T e b o t n o i t c A 1 0 n i a r d o N s li a f l e v e l r e t a w e h T e h t w o l e ...
Page 137 - GENERAL COMPONENT - EXPLODED VIEW
©2001 Maytag Appliances Sales Company 3-7 16010486 (16008373-05) Revised 2/01 Section 3. Teardown & Wiring Information GENERAL COMPONENT - EXPLODED VIEW Component Identification & Location:
Page 138 - Glossary of Terms
©2001 Maytag Appliances Sales Company 3-8 16010486 (16008373-05) Revised 2/01 Section 3. Teardown & Wiring Information Add Fill This is the additional filling of the water after the first initial fill to bring the water level back up to the appropriate level after the clothes have absorbed the...
Page 141 - SECTION 4. ELECTRICAL COMPONENTS & TESTING; ELECTRICAL TESTS; Grounded Components; Miscellaneous Door Lock Philosophy
Section 4. Electrical Components & Testing 4-1 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company SECTION 4. ELECTRICAL COMPONENTS & TESTING ELECTRICAL TESTS Warning - Always shut off electrical power to the washer before beginning any service repair procedures. Groun...
Page 142 - Service Mode and performing a Board Output Test.; torque and speed of the motor through the motor control board.
Section 4. Electrical Components & Testing 4-2 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company Figure 4-2 Both incoming and exiting voltage is monitored through the machine control board and the surrounding circuitry. The following table lists the voltages for the vari...
Page 144 - LCD Washer
Section 4. Electrical Components & Testing 4-4 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company LCD Washer LED Washer Membrane Pad Checks On the MAH5500B washer you can perform the Membrane Pad Check with the control console. (See Section 2; Accessing Service Mode; Memb...
Page 145 - DRIVE MOTOR; Drip Shield Removal; MOTOR CONTROL BOARD
Section 4. Electrical Components & Testing 4-5 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company DRIVE MOTOR The drive motor is still a switched reluc- tance type motor. (For more information, please refer to manual 16008373, Sec- tion 4; Drive Motor.) The new motor is a...
Page 147 - HEATER ASSEMBLY; Heater Will Not Turn On
Section 4. Electrical Components & Testing 4-7 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company HEATER ASSEMBLY The heater assembly located in the sump area of the outer tub is only on the MAH7500, LCD washer only. A thermistor located in the heater assembly monitors th...
Page 148 - Thermistor Temperature Chart
Section 4. Electrical Components & Testing 4-8 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company Thermistor Temperature Chart 2 The heater will not turn on if there is a problem with the low water level sense. The control is required to see the low water level go from no...
Page 149 - SECTION 5. TEARDOWN & WIRING INFORMATION; The replacement console assembly consists
5-1 16010486 (16008373-05) Revised 10/00 Section 5. Teardown & Wiring Information ©2001 Maytag Appliances Sales Company SECTION 5. TEARDOWN & WIRING INFORMATION Warning - Always shut off electrical power to the unit before beginning any ser- vice repair procedures. The replacement console as...
Page 150 - CONSOLE COVER PLUG
5-2 16010486 (16008373-05) Revised 10/00 Section 5. Teardown & Wiring Information ©2001 Maytag Appliances Sales Company 4. Remove the four mounting screws securing the board to the console. 5. Remove the board from the console. 6. Note: To avoid the potential for acci- dental static discharge da...
Page 151 - DOOR LOCK MECHANISM
5-3 16010486 (16008373-05) Revised 10/00 Section 5. Teardown & Wiring Information ©2001 Maytag Appliances Sales Company DOOR LOCK MECHANISM The door lock mechanism is now locked and unlocked via solenoids, resulting in faster locking and unlocking of the washer door. The mechanism is a non-repai...
Page 152 - REAR ACCESS PANEL; Removal of the access panel gains access to; WATER SYSTEM COMPONENTS
5-4 16010486 (16008373-05) Revised 10/00 Section 5. Teardown & Wiring Information ©2001 Maytag Appliances Sales Company REAR ACCESS PANEL Removal of the access panel gains access to the rear components of the washer (Figure 5-9) . Figure 5-9 WATER SYSTEM COMPONENTS WATER VALVE The water valve is...
Page 153 - REMOVAL; PUMP ASSEMBLY
5-5 16010486 (16008373-05) Revised 10/00 Section 5. Teardown & Wiring Information ©2001 Maytag Appliances Sales Company REMOVAL 1. Remove the rear access panel or the front panel to access the pressure switch. 2. Place a towel beneath the pump. 3. Remove the plastic bag covering the pressure swi...
Page 155 - WIRING INFORMATION
5-7 16010486 (16008373-05) Revised 10/00 Section 5. Teardown & Wiring Information ©2001 Maytag Appliances Sales Company WIRING INFORMATION Please refer to the technical schematic packed in the control console in the washer for up to date wiring information for the product your are servicing. The...
Page 157 - Customer Service
Maytag Appliances Sales Company Customer Service 240 Edwards Street, S.E. Cleveland, Tennessee 37311