Benutzeranleitung / Produktwartung MAH3000 des Produzenten Whirlpool
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16010061 Compiled From 16008373, 16010199, Customer Service TM W asher Service Manual W asher Service Manual 16010886 11/03.
© 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, and electrical appliance repair.
© 1998 Maytag Corporation 16008373-01 INTRODUCTION i INTRODUCTION 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 model.
INTRODUCTION INTRODUCTION INTRODUCTION INTRODUCTION INTRODUCTION ............................................................................................................................... ............................ .............................
SECTION 3. TROUBLESHOOTING SECTION 3. TROUBLESHOOTING SECTION 3. TROUBLESHOOTING SECTION 3. TROUBLESHOOTING SECTION 3. TROUBLESHOOTING ................................................................................................................ ...
SEAL SYSTEM ............................................................................................................................... ................................... 7 - 6 OUTER TUB ASSEMBLY ..................................................
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-1 SECTION 1. GENERAL INFORMA TION PRE-INST ALLA TION REQUIREMENTS NOTE: Proper installation is the responsibil- ity of the purchaser . Checkpoints for proper installation: • Properly grounded electrical outlet is re- quired.
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-2 INST ALLA TION 1 . T wo separate red shipping straps are used to secure the machine for shipping pur- poses and to secure the power cord with the water inlet hoses. Remove the straps in the following sequence: A .
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 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 leveling leg as required to level and stabilize the washer securely on all four legs.
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-4 Figure 1-6 SPECIFICA TIONS Plug power cord into a properly grounded 120 volt AC-approved electrical service. This must be protected by a dedicated 15 amp fuse or circuit breaker .
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-5 WASHER CONTROLS The control system in the Neptune horizontal axis washer generally consists of a timer and microprocessor-based machine control.
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-6 INPUT DEFINITIONS DOOR LOCK SWITCH INPUT When input is present, this is indication the washer door is locked. The machine control- ler will not command the spinner to spin faster than 50 rpm when the input is not present prior to spin.
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-7 When the washer is at the "full" level and the timer is set in a P rewash T umble, Main W ash T umble, Light W ash .
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 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 are controlled by a "Door Locked" light switch.
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-9 The machine control counts the number of rinses during a normal wash cycle. In the first and second Rinse T umble increments,.
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-10 CYCLE SEQUENCE DEFINITIONS NOTE: Refer to Section 2: Timer Input Charts for information on the timing of each cycle sequence.
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-11 MISCELLANEOUS Door Latch Switch Monitoring At the end of a cycle, when the timer advances into the Idle increment, the machine control will keep the line relay energized until it loses power when the door latch switch opens.
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-12 The following rules determine the maximum number of redistribution attempts that will be allowed in each spin step before the machine control skips the step and continues with the spin profile (See Section 2: Unbalance Con- trol System).
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-13 CYCLE REVIEW Main W ash T ime/T otal Cycle T ime - Minutes (See Notes). Notes: 1.
© 1998 Maytag Corporation 16008373-01 SECTION 1. GENERAL INFORMA TION 1-14 GENERAL COMPONENT EXPLODED VIEW.
© 1998 Maytag Corporation 2-1 2-1 2-1 2-1 2-1 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING SECTION 2. ELECTRICAL COMPONENTS & TESTING SECTION 2. ELECTRICAL COMPONENTS & TESTING SECTION 2. ELECTRICAL COMPONENTS & TESTING SECTION 2.
© 1998 Maytag Corporation 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2-2 ELECTRICAL TESTS Warning - Always shut off electrical power to the unit before beginning any service repair procedures. Water Valve Test Check the water valve for electrical continu- ity.
© 1998 Maytag Corporation 2-3 2-3 2-3 2-3 2-3 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING Timer & Console Switches Timer & Console Switches Timer & Console Switches Timer & Console Switches Timer & Console Switches The timer is located in the control console on the back.
© 1998 Maytag Corporation 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2-4 Key : 0 = Input Signal Not Asserted 1= Input Signal Asserted Software in the machine control board specificall.
© 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 the surr ounding cir cuitry .
© 1998 Maytag Corporation 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2-6 F UN CTI ON M ACH I NE CO N TROL BOARD T ER M I NA L /W IRE M ACH I NE CO N TROL BOARD T ER M I NA L /W IRE VO LTAG E- AP PROX.
© 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 boar d r eceives 120 V AC voltage from the line cord and distributes DC voltage to the drive motor .
© 1998 Maytag Corporation 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2-8 2-8 2-8 2-8 2-8 Motor & Motor Contr Motor & Motor Contr Motor & Motor Contr Motor & Motor Contr Motor & Motor Contr ol T ol T ol T ol T ol T est est est est est 1.
© 1998 Maytag Corporation 2-9 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING Motor Windings Check 1. Disconnect power to the unit. 2. Remove each pair of phase wires from the motor control and perform an ohm check of each wire leading to the motor.
© 1998 Maytag Corporation 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2-10 2-10 2-10 2-10 2-10 T T T T T achometer Cir achometer Cir achometer Cir achometer Cir achometer Cir cuit Diag.
© 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 and communicates this information to the ma- chine control.
© 1998 Maytag Corporation 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2-12 RPM FUNCTION 47 ........................... Tumble 47-85 ....................... Distribution 90-250 ..................... Accelerate Through Critical 250-499 .
© 1998 Maytag Corporation 2-13 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING Cabinet Vibration Sensor The cabinet vibration sensor is mounted to the lower left corner of the machine control board. This is a piezo-electric strip mounted to the machine control board.
© 1998 Maytag Corporation 16008373-01 SECTION 2. ELECTRICAL COMPONENTS & TESTING 2-14.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-1 3-1 3-1 3-1 3-1 SECTION 3. TROUBLESHOOTING SECTION 3. TROUBLESHOOTING SECTION 3. TROUBLESHOOTING SECTION 3.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-2 3-2 3-2 3-2 3-2 Excessive Vibration: Excessive Vibration: Excessive Vibration: Excessive Vibration: Excessive Vibration: Ensure that shipping bolts and straps have been removed from the washer.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-3 3-3 3-3 3-3 3-3 Door Leaks: Door Leaks: Door Leaks: Door Leaks: Door Leaks: Usually this occurs when the door is re- mounted into the shroud and the technician fully tightens the top hinge screw prior to in- serting the lower screw.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-4 3-4 3-4 3-4 3-4 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-5 3-5 3-5 3-5 3-5 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-6 3-6 3-6 3-6 3-6 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-7 3-7 3-7 3-7 3-7 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-8 3-8 3-8 3-8 3-8 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-9 3-9 3-9 3-9 3-9 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-10 3-10 3-10 3-10 3-10 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-11 3-11 3-11 3-11 3-11 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-12 3-12 3-12 3-12 3-12 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-13 3-13 3-13 3-13 3-13 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING Use a knife or scissors to cut across the + in the center of the dial and press the template over the timer shaft.
© 1998 Maytag Corporation 16008373-01 SECTION 3. TROUBLESHOOTING 3-14 3-14 3-14 3-14 3-14 Energy Usage Energy Usage Energy Usage Energy Usage Energy Usage :: :: : The energy usage averages up to 0.10 Kwh per cycle, when using the Regular cycle with Nor- mal wash.
© 1998 Maytag Corporation 16008373-01 SECTION 4. CONSOLE 4-1 4-1 4-1 4-1 4-1 SECTION 4. CONSOLE SECTION 4. CONSOLE SECTION 4. CONSOLE SECTION 4. CONSOLE SECTION 4. CONSOLE REMOVAL REMOVAL REMOVAL REMOVAL REMOVAL 1. Disconnect power to the unit. Disconnect power to the unit.
© 1998 Maytag Corporation 16008373-01 SECTION 4. CONSOLE 4-2 4-2 4-2 4-2 4-2 REMOVAL REMOVAL REMOVAL REMOVAL REMOVAL Depress the tab at the top of the switch with a screwdriver to disengage the tab from the console. Pivot the switch away from the console to remove (Figure 4-5) (Figure 4-5) (Figure 4-5) (Figure 4-5) (Figure 4-5) .
© 1998 Maytag Corporation 16008373-01 SECTION 4. CONSOLE 4-3 4-3 4-3 4-3 4-3 1. Disconnect power to the unit. Disconnect power to the unit. Disconnect power to the unit.
© 1998 Maytag Corporation 16008373-01 SECTION 4. CONSOLE 4-4 4-4 4-4 4-4 4-4.
© 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.
© 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 optimum spin performance.
© 1998 Maytag Corporation 16008373-01 SECTION 5. CABINET ASSEMBLY 5-3 DOOR LOCK MECHANISM The purpose of the door lock mechanism is to secure the door during the spin cycle. When the door is shut, the wire loop on the door engages the rotating gear in the door lock mechanism (Figure 5-7) .
© 1998 Maytag Corporation 16008373-01 SECTION 5. CABINET ASSEMBLY 5-4 FRONT SHROUD ASSEMBLY 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.
© 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.
© 1998 Maytag Corporation 16008373-01 SECTION 5. CABINET ASSEMBLY 5-6.
© 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 the bracket away from the washer.
© 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 sump area of the outer tub.
© 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). REPLACEMENT/ROUTING 1 . Thread the narrow end of the hose through the air dome outlet in the rear of the outer tub (Figure 6-3).
© 1998 Maytag Corporation 16008373-01 SECTION 6. WATER CARRYING COMPONENTS 6-4 FRONT WATER FLUME INJECTOR REMOVAL 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).
© 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.
© 1998 Maytag Corporation 16008373-01 SECTION 6. WATER CARRYING COMPONENTS 6-6 Figure 6-9 Drain Hose Access Cover Figure 6-10 Drain Hose Clamp 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 shield.
© 1998 Maytag Corporation 16008373-01 SECTION 6. WATER CARRYING COMPONENTS 6-7.
© 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. DOOR BOOT The door boot rubber gasket provides a seal between the outer tub assembly and the front shroud.
© 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). REPLACEMENT 1 . Align the door boot with the D-shape to- ward the front, with the flat of the D to- ward the bottom.
© 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.
© 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 action of the spin basket.
© 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 ( Figure 7-7 ) .
© 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.
© 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) .
© 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.
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7-9 REMOVAL 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 assembly (Fig- ure 7-14).
© 1998 Maytag Corporation 16008373-01 SECTION 7. OUTER TUB & SPINNER ASSEMBLY 7-10.
© 1998 Maytag Corporation 16008373-01 SECTION 8. MOTOR DRIVE SYSTEM 8-1 8-1 8-1 8-1 8-1 SECTION 8. MOTOR DRIVE SYSTEM SECTION 8. MOTOR DRIVE SYSTEM SECTION 8.
© 1998 Maytag Corporation 16008373-01 SECTION 8. MOTOR DRIVE SYSYTEM 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 base frame. 5 . From the front, remove the wire harnesses from the back of the motor.
© 1998 Maytag Corporation 16008373-01 SECTION 8. MOTOR DRIVE SYSTEM 8-3 8-3 8-3 8-3 8-3 MOTOR CONTROL MOTOR CONTROL MOTOR CONTROL MOTOR CONTROL MOTOR CONTROL The motor control is located behind the front panel in the lower right hand side of the cabinet.
© 1998 Maytag Corporation 16008373-01 SECTION 8. MOTOR DRIVE SYSYTEM 8-4 8-4 8-4 8-4 8-4.
© 1998 Maytag Corporation 16008373-01 SECTION 9. ELECTRICAL SCHEMATICS 9-1 9-1 9-1 9-1 9-1 SECTION 9. ELECTRICAL SCHEMATICS & TIMER SECTION 9. ELECTRICAL SCHEMATICS & TIMER SECTION 9. ELECTRICAL SCHEMATICS & TIMER SECTION 9. ELECTRICAL SCHEMATICS & TIMER SECTION 9.
© 1998 Maytag Corporation 16008373-01 SECTION 9. ELECTRICAL SCHEMATICS 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 CHA.
© 1998 Maytag Corporation 16008373-01 SECTION 9. ELECTRICAL SCHEMATICS 9-3 9-3 9-3 9-3 9-3 ELECTRICAL SCHEMATIC - Series 17 ELECTRICAL SCHEMATIC - Series 17 ELECTRICAL SCHEMATIC - Series 17 ELECTRICA.
© 1998 Maytag Corporation 16008373-01 SECTION 9. ELECTRICAL SCHEMATICS 9-4 9-4 9-4 9-4 9-4 TIMER CHART - Series 17 TIMER CHART - Series 17 TIMER CHART - Series 17 TIMER CHART - Series 17 TIMER CHART .
© 1998 Maytag Corporation 16008373-01 SECTION 9. ELECTRICAL SCHEMATICS 9-5 9-5 9-5 9-5 9-5 ELECTRICAL SCHEMATIC - Series 18 ELECTRICAL SCHEMATIC - Series 18 ELECTRICAL SCHEMATIC - Series 18 ELECTRICA.
© 1998 Maytag Corporation 16008373-01 SECTION 9. ELECTRICAL SCHEMATICS 9-6 9-6 9-6 9-6 9-6 TIMER CHART - Series 18 TIMER CHART - Series 18 TIMER CHART - Series 18 TIMER CHART - Series 18 TIMER CHART .
© 1998 Maytag Corporation 16008373-01 SECTION 9. ELECTRICAL SCHEMATICS 9-7 9-7 9-7 9-7 9-7 ELECTRICAL SCHEMATIC - Series 19 ELECTRICAL SCHEMATIC - Series 19 ELECTRICAL SCHEMATIC - Series 19 ELECTRICA.
© 1998 Maytag Corporation 16008373-01 SECTION 9. ELECTRICAL SCHEMATICS 9-8 9-8 9-8 9-8 9-8 NOTES NOTES NOTES NOTES NOTES :: :: :.
©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 W asher Service Manual supplement covers Models MAH4000 & MAH5500A .
©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 F A CIA Y T I C A P A C t e e F c i b u C 1 .
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 3 SECTION 3. BASIC MACHINE OPERA TION 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 drain pump.
©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.
©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 door lock system to retract at the end of the cycle.
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 6 Stain Cycle: General overview of Stain Cycle: 1) T umble in the normal tumble pattern until it has completed filling plus 3 minutes. 2) T umble for an additional 15 minutes with a 6T/24P tumble pattern.
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 7 SECTION 6. GENERAL COMPONENT - EXPL ODED VIEW Component Identification & Location:.
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 8 SECTION 7. ELECTRICAL INFORMA TION 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 .
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 9 & 2,/ : $7(5 9$ /9 ( +R W &R O G %OH D F K ) DEULF 6RIW Q H U 'H WHUJ HQW :DV K 6. Carefully lift the valve with the inlet hoses attached and direct the inlet hoses through the openings in the valve mounting bracket.
©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.
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 11 F igure 8-5 F igure 8-6 6. T o remove the pump from the mount- ing bracket, pull down on the mount - ing tabs and slide the pump off the mounting bracket.
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 12 3. Locate the rear mounting clip on the detergent hose in the access panel opening and slide the clip off the cabinet flange.
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 13 F igure 8-12 7. The saddle horn is secured to the top of the outer tub with a screw . NO TE: The upper wire harness for the unbalance circuit is snapped into the saddle horn with the detergent hose.
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 14 SECTION 9. WIRING INFORMA TION 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.
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 15 SERIES 10 - SCHEMA TIC (MAH4000 only).
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 16 SERIES 11 (MAH4000 and MAH5500).
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 17 SERIES 10 - TIMER CHART (MAH4000).
©2000 Maytag Appliances Sales Company 16010199 (16008373-03) Revised 7/00 18 SERIES 11 - TIMER CHART (MAH4000 & MAH5500A).
©2001 Maytag Appliances Sales Company 16010486 (16008373-05) 16008373-05 Attached is Supplement five for service manual 16008373 . This Maytag W asher Service Manual supplement covers Models MAH5500B and MAH7500 . The following information is supplemental to the information found in the basic manual part number 16008373 .
©2001 Maytag Appliances Sales Company 16010486 (16008373-05) Revised 02/01 ii i INTRODUCTION Attached is supplement five (16008373-05) for service manual 16008373, which in addition to supplement three (16008373-03). This Maytag W asher Service Manual supplement covers Models MAH5500B & MAH7500A .
©2001 Maytag Appliances Sales Company 16010486 (16008373-05) Revised 02/01 iv.
©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 i r t c e l e d e s u f r o r e k a e r b t i u c r i c p m a 5 1 s e r i u q e R ; z H 0 6 , s t l o V 0 2 1 .
©2001 Maytag Appliances Sales Company 1-2 16010486 (16008373-05) Revised 02/01 Section 1. General Information BASIC MACHINE OPERA TION Models MAH5500B and MAH7500 are similar to the MAH4000 washer , with the exception being they do not have recirculation of the wash water .
©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 We m i T g n i l 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 .
©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 Sp m u P n i a r D m p r 0 4 5 < ) as u o u n i t n o c n O .
©2001 Maytag Appliances Sales Company 2-1 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview SECTION 2. WASHER CONTROLS OVERVIEW The software for the MAH5500B and the MAH7500 is different than the MAH4000 washer .
©2001 Maytag Appliances Sales Company 2-2 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview USER INTERFA CE SELECTIONS: (LED W asher) The user can select the setting of several features while in the User Interface Active Mode or the Main W ash Cycle.
©2001 Maytag Appliances Sales Company 2-3 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview OPTIONS MODE When the extra rinse key is selected, an extra rinse is added for the wash cycles.
©2001 Maytag Appliances Sales Company 2-4 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview INPUT MODIFICA TIONS DEFINED PRESSURE SWITCH INPUT The pressure switch is a two level pressure switch.
©2001 Maytag Appliances Sales Company 2-5 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview ST ART/P A USE 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 as defined by the user input selections.
©2001 Maytag Appliances Sales Company 2-6 16010486 (16008373-05) Revised 02/01 Section 2. W asher 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.
©2001 Maytag Appliances Sales Company 2-7 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview If the Start/P ause key is pressed during the wash cycle the washer shall stop all the functions of the washer , placing the washer in the Idle Mode.
©2001 Maytag Appliances Sales Company 2-8 16010486 (16008373-05) Revised 02/01 Section 2. W asher 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 .
©2001 Maytag Appliances Sales Company 2-9 16010486 (16008373-05) Revised 02/01 Section 2. W asher 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 .
©2001 Maytag Appliances Sales Company 2-10 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview LED W asher 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.
©2001 Maytag Appliances Sales Company 2-11 16010486 (16008373-05) Revised 02/01 Section 2. W asher 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 .
©2001 Maytag Appliances Sales Company 2-12 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview e g n a R d e e p Sd 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.
©2001 Maytag Appliances Sales Company 2-13 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview : d e s s e r P y e Kd e m r o f r e P n o i t c n u F y d r u t s / n o t t o Ce .
©2001 Maytag Appliances Sales Company 2-14 16010486 (16008373-05) Revised 02/01 Section 2. W asher 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 occurred while the key is held.
©2001 Maytag Appliances Sales Company 2-15 16010486 (16008373-05) Revised 02/01 Section 2. W asher 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 Service Mode.
©2001 Maytag Appliances Sales Company 2-16 16010486 (16008373-05) Revised 02/01 Section 2. W asher 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.
©2001 Maytag Appliances Sales Company 2-17 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview The service cycle will advance the washer through various parts of the wash cycle and will display the following on the control panel.
©2001 Maytag Appliances Sales Company 2-18 16010486 (16008373-05) Revised 02/01 Section 2. W asher Controls Overview T o toggle outputs, press P AUSE and select output below Input Status door closed .
©2001 Maytag Appliances Sales Company 3-1 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & Wiring Information Section 3: DIAGNOSTIC/HELP CODE T ABLES. HELP CODES LISTING: p l e H e d o C n o i t p i r c s e Dr e g g i r Tn e k a T e b o t n o i t c A 1 0e c n a l a b n U r e t s a l P .
©2001 Maytag Appliances Sales Company 3-2 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & Wiring Information p l e H e d o C n o i t p i r c s e Dr e g g i r Tn e k a T e b o t n o i t.
©2001 Maytag Appliances Sales Company 3-3 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & Wiring Information p l e H e d o C n o i t p i r c s e Dr e g g i r Tn e k a T e b o t n o i t.
©2001 Maytag Appliances Sales Company 3-4 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & Wiring Information DIAGNOSTIC CODES LISTING: .
©2001 Maytag Appliances Sales Company 3-5 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & Wiring Information . g a i D e d o C n o i t p i r c s e Dr e g g i r Tn e k a T e b o t n o i.
©2001 Maytag Appliances Sales Company 3-6 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & Wiring Information - . g a i D e d o C n o i t p i r c s e Dr e g g i r Tn e k a T e b o t n o.
©2001 Maytag Appliances Sales Company 3-7 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & Wiring Information GENERAL COMPONENT - EXPLODED VIEW Component Identification & Location:.
©2001 Maytag Appliances Sales Company 3-8 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & 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 water .
©2001 Maytag Appliances Sales Company 3-9 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & Wiring Information S pin This is the process of rotating the clothes at a high speed so that the centrifugal force extracts the water from the clothes so that it can be drained from the machine.
©2001 Maytag Appliances Sales Company 3-10 16010486 (16008373-05) Revised 2/01 Section 3. T eardown & Wiring Information.
Section 4. Electrical Components & T esting 4-1 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company SECTION 4. ELECTRICAL COMPONENTS & TESTING ELECTRICAL TESTS W arning - Always shut off electrical power to the washer before beginning any service repair procedures.
Section 4. Electrical Components & T esting 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 .
Section 4. Electrical Components & T esting 4-3 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company INPUT/OUTPUT VOL T AGES ( LCD W asher) INPUT/OUTPUT VOL T AGES (LED W as.
Section 4. Electrical Components & T esting 4-4 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company LCD W asher LED W asher Membrane Pad Checks On the MAH5500B washer you can perform the Membrane P ad Check with the control console.
Section 4. Electrical Components & T esting 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 .
Section 4. Electrical Components & T esting 4-6 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company Motor Drive System T est T o check the system, check the board for proper output to the motor control. This is done by performing a board output check.
Section 4. Electrical Components & T esting 4-7 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company HEA TER ASSEMBL Y The heater assembly located in the sump area of the outer tub is only on the MAH7500, LCD washer only .
Section 4. Electrical Components & T esting 4-8 16010486 (16008373-05) Revised 02/01 ©2001 Maytag Appliances Sales Company Thermistor T emperature Chart 2 The heater will not turn on if there is a problem with the low water level sense.
5-1 16010486 (16008373-05) Revised 10/00 Section 5. T eardown & Wiring Information ©2001 Maytag Appliances Sales Company SECTION 5. TEARDOWN & WIRING INFORMA TION W arning - Always shut off electrical power to the unit before beginning any ser- vice repair procedures.
5-2 16010486 (16008373-05) Revised 10/00 Section 5. T eardown & Wiring Information ©2001 Maytag Appliances Sales Company 4 . Remove the four mounting screws securing the board to the console.
5-3 16010486 (16008373-05) Revised 10/00 Section 5. T eardown & 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 .
5-4 16010486 (16008373-05) Revised 10/00 Section 5. T eardown & Wiring Information ©2001 Maytag Appliances Sales Company REAR A CCESS P ANEL Removal of the access panel gains access to the rear components of the washer (Figure 5-9) .
5-5 16010486 (16008373-05) Revised 10/00 Section 5. T eardown & Wiring Information ©2001 Maytag Appliances Sales Company REMOV A L 1 . Remove the rear access panel or the front panel to access the pressure switch. 2 . Place a towel beneath the pump.
5-6 16010486 (16008373-05) Revised 10/00 Section 5. T eardown & Wiring Information ©2001 Maytag Appliances Sales Company REMOV AL 1 . Disconnect power to the washer . 2 . Remove the wires leading to the heater assembly . 3 . Locate the mounting nut and loosen the nut by turning the nut in a counter clockwise direction.
5-7 16010486 (16008373-05) Revised 10/00 Section 5. T eardown & Wiring Information ©2001 Maytag Appliances Sales Company WIRING INFORMA TION 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.
5-8 16010486 (16008373-05) Revised 10/00 Section 5. T eardown & Wiring Information ©2001 Maytag Appliances Sales Company MAH7500.
Maytag Appliances Sales Company Customer Service 240 Edwards Street, S.E. Cleveland, T ennessee 37311.
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