Service Manual
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... Test ...2-8 Motor Phase Test ...2-8 Motor Windings Check ...2-9 Tachometer Circuit Diagnostics ...2-10 UNBALANCE CONTROL SYSTEM ...2 - 1 1 Tub Displacement Switch ...2 - 1... Sensor ...2 - 1 3 Cabinet Vibration Absorber ...2 - 1 3 16008373-01 © 1998 Maytag Corporation CONTENTS ii GENERAL INFORMATION ...1 - 1 PRE-INSTALLATION REQUIREMENTS ...1 - 1 U N C R A T I N G ...1 - 1 I N S T A L L A T I O N...1 - 2 GROUNDING POLARITY CHECKS ...1-4 S P E C I F I C A T I O N S ...1-4 WASHER CONTROLS ...1 - 5 INPUT DEFINITIONS ...1 - 6 OUTPUT DEFINITIONS ...1 - 8 CYCLE SEQUENCE DEFINITIONS...
... Test ...2-8 Motor Phase Test ...2-8 Motor Windings Check ...2-9 Tachometer Circuit Diagnostics ...2-10 UNBALANCE CONTROL SYSTEM ...2 - 1 1 Tub Displacement Switch ...2 - 1... Sensor ...2 - 1 3 Cabinet Vibration Absorber ...2 - 1 3 16008373-01 © 1998 Maytag Corporation CONTENTS ii GENERAL INFORMATION ...1 - 1 PRE-INSTALLATION REQUIREMENTS ...1 - 1 U N C R A T I N G ...1 - 1 I N S T A L L A T I O N...1 - 2 GROUNDING POLARITY CHECKS ...1-4 S P E C I F I C A T I O N S ...1-4 WASHER CONTROLS ...1 - 5 INPUT DEFINITIONS ...1 - 6 OUTPUT DEFINITIONS ...1 - 8 CYCLE SEQUENCE DEFINITIONS...
Service Manual
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... 7 - 1 B A F F L E S ...7 - 1 DOOR BOOT ...7 - 1 OUTER TUB COVER ...7-2 SPIN BASKET ASSEMBLY W/BALANCE RING 7-3 DRIVE PULLEY ...7-4 SPINNER TUB SUPPORT ...7-5 16008373-01 ©1997 Maytag Corporation CONTENTS iii S E C T I N G ...3 - 1 DIAGNOSTIC FLOW CHARTS...3-4 Fills and Will Not Tumble ...3-4 Washer Overfills ...3-5 Washer Will Not Spin ...3-6 Machine Stalls During Spin ...3-8 Maximum Spin Speed Is Not Reached 3-9 Wash Cycle Takes Longer Than Normal 3 - 1 0 Suds...
... 7 - 1 B A F F L E S ...7 - 1 DOOR BOOT ...7 - 1 OUTER TUB COVER ...7-2 SPIN BASKET ASSEMBLY W/BALANCE RING 7-3 DRIVE PULLEY ...7-4 SPINNER TUB SUPPORT ...7-5 16008373-01 ©1997 Maytag Corporation CONTENTS iii S E C T I N G ...3 - 1 DIAGNOSTIC FLOW CHARTS...3-4 Fills and Will Not Tumble ...3-4 Washer Overfills ...3-5 Washer Will Not Spin ...3-6 Machine Stalls During Spin ...3-8 Maximum Spin Speed Is Not Reached 3-9 Wash Cycle Takes Longer Than Normal 3 - 1 0 Suds...
Service Manual
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...washer is at 14 times the speed of the spinner (14:1 belt ratio). An additional delay equal to advance the timer into the next increment and continue with the cycle. It provides eight pulses per revolution of -balance detection (See Tachometer Circuit Diagnostics...pressure switch is not in progress, the machine control will disengage the line relay to measure how quickly the washer is used for each cycle and fabric selection setting (See Cycle Sequence Definitions). The timer operates with a ... (See Water Valve Outputs). 16008373-01 © 1998 Maytag Corporation SECTION 1.
...washer is at 14 times the speed of the spinner (14:1 belt ratio). An additional delay equal to advance the timer into the next increment and continue with the cycle. It provides eight pulses per revolution of -balance detection (See Tachometer Circuit Diagnostics...pressure switch is not in progress, the machine control will disengage the line relay to measure how quickly the washer is used for each cycle and fabric selection setting (See Cycle Sequence Definitions). The timer operates with a ... (See Water Valve Outputs). 16008373-01 © 1998 Maytag Corporation SECTION 1.
Service Manual
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Grounded Components When performing service diagnostics, replacements and repairs, always check to water temperatures. NOTE: Use of the meter on the terminals of the thermistor circuit. Remove the wire harness from the washer. Then, run a partial hot water fill and check the ohm resistance... linking panel and components are not recommended due to the meter. Wax Motor Check - ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation 2-2 Voltage Checks Generally, these checks will consist of voltage to the unit before beginning any service repair procedures. Check the...
Grounded Components When performing service diagnostics, replacements and repairs, always check to water temperatures. NOTE: Use of the meter on the terminals of the thermistor circuit. Remove the wire harness from the washer. Then, run a partial hot water fill and check the ohm resistance... linking panel and components are not recommended due to the meter. Wax Motor Check - ELECTRICAL COMPONENTS & TESTING © 1998 Maytag Corporation 2-2 Voltage Checks Generally, these checks will consist of voltage to the unit before beginning any service repair procedures. Check the...
Service Manual
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... C) -Phase A or C is non-functional. (See Step 10) -Phases B&C are operating correctly. (Check Phase B and C) -Phase B or C is non-functional. (See Step 10) Tachometer Circuit Diagnostics The tachometer system of the motor is mounted to one side of the shutter and monitors the "pickets" as they pass through the tachometer wire... "pickets." As the "pickets" pass through the sensor field, signals are repeated eight times. The edge of the motor. ELECTRICAL COMPONENTS & TESTING 2-10 © 1998 Maytag Corporation
... C) -Phase A or C is non-functional. (See Step 10) -Phases B&C are operating correctly. (Check Phase B and C) -Phase B or C is non-functional. (See Step 10) Tachometer Circuit Diagnostics The tachometer system of the motor is mounted to one side of the shutter and monitors the "pickets" as they pass through the tachometer wire... "pickets." As the "pickets" pass through the sensor field, signals are repeated eight times. The edge of the motor. ELECTRICAL COMPONENTS & TESTING 2-10 © 1998 Maytag Corporation
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... file this with your 16008373 Manual for service manual 16008373, which in addition to supplement three (16008373-03). WASHER CONTROLS OVERVIEW 2-1 SECTION 3. ELECTRICAL COMPONENTS & TESTING 4-1 SECTION 5. TEARDOWN & WIRING INFORMATION 5-1 For additional information on material...contact: Maytag Appliances Sales Company 240 Edwards Street, S.E. Cleveland, TN 37311 Phone: 423-472-3333 16010486 (16008373-05) iii Revised 02/01 ©2001 Maytag Appliances Sales Company GENERAL INFORMATION 1-1 SECTION 2. DIAGNOSTIC/HELP CODE TABELS 3-1 SECTION 4. This Maytag Washer Service ...
... file this with your 16008373 Manual for service manual 16008373, which in addition to supplement three (16008373-03). WASHER CONTROLS OVERVIEW 2-1 SECTION 3. ELECTRICAL COMPONENTS & TESTING 4-1 SECTION 5. TEARDOWN & WIRING INFORMATION 5-1 For additional information on material...contact: Maytag Appliances Sales Company 240 Edwards Street, S.E. Cleveland, TN 37311 Phone: 423-472-3333 16010486 (16008373-05) iii Revised 02/01 ©2001 Maytag Appliances Sales Company GENERAL INFORMATION 1-1 SECTION 2. DIAGNOSTIC/HELP CODE TABELS 3-1 SECTION 4. This Maytag Washer Service ...
Service Manual
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...selected. The control panel drives a heater located in the sump. The control displays the estimated time remaining in diagnostics. Features of the cycle. The control panel displays the estimated time remaining in the cycle The control panel stores...select a delay start. The wash/rinse temperatures and wash cycles are remembered and based on the MAH7500 washer. WASHER CONTROLS OVERVIEW The software for the MAH5500B and the MAH7500 is different than the MAH4000 washer. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-1 SECTION 2.
...selected. The control panel drives a heater located in the sump. The control displays the estimated time remaining in diagnostics. Features of the cycle. The control panel displays the estimated time remaining in the cycle The control panel stores...select a delay start. The wash/rinse temperatures and wash cycles are remembered and based on the MAH7500 washer. WASHER CONTROLS OVERVIEW The software for the MAH5500B and the MAH7500 is different than the MAH4000 washer. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-1 SECTION 2.
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... retries. The end-of -balance detection (See Tachometer Circuit Diagnostics). On the MAH7500, the signal sounds then the door is turned back on the membrane switch for unlocking when a pulse is an internal signal on the solenoid. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-5 If this would damage the solenoid. It...
... retries. The end-of -balance detection (See Tachometer Circuit Diagnostics). On the MAH7500, the signal sounds then the door is turned back on the membrane switch for unlocking when a pulse is an internal signal on the solenoid. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-5 If this would damage the solenoid. It...
Service Manual
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... after a power-loss during a cycle the washer will remember where it was and the display... selections Power-loss Diagnostic codes, the total number of keys, the washer can be to the...diagnostic number has been cleared. POWER LOSS/FAILURE Power-up after the Start/Pause key has been pressed. The control recovers the saved information on power-up in the cycle and within 3 minutes of the Last Power-loss cycle step performed. When occurred The number of cycles run End of the Neptune washers.... SPECIAL FEATURES The LCD and LED washers come back up after...
... after a power-loss during a cycle the washer will remember where it was and the display... selections Power-loss Diagnostic codes, the total number of keys, the washer can be to the...diagnostic number has been cleared. POWER LOSS/FAILURE Power-up after the Start/Pause key has been pressed. The control recovers the saved information on power-up in the cycle and within 3 minutes of the Last Power-loss cycle step performed. When occurred The number of cycles run End of the Neptune washers.... SPECIAL FEATURES The LCD and LED washers come back up after...
Service Manual
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...are generally logged when the severity level of the abnormality is not sufficient enough to shut down the washer or require service. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-10 The service mode provides service personnel the ability to Advertising Mode and the... the LEDs. The segments on the display are generally logged dentified when the severity level of the washer during operation and identify any abnormalities as either a Help or a Diagnostic code. While in unison. No functions will cycle through the control as a service cycle, user ...
...are generally logged when the severity level of the abnormality is not sufficient enough to shut down the washer or require service. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-10 The service mode provides service personnel the ability to Advertising Mode and the... the LEDs. The segments on the display are generally logged dentified when the severity level of the washer during operation and identify any abnormalities as either a Help or a Diagnostic code. While in unison. No functions will cycle through the control as a service cycle, user ...
Service Manual
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...TABLE LED Washer: Press Keys Normal Wrinkle Free Quick Spin Light Soil Delicates Rinse Stain Cycle Presoak Hand Wash Special Test/Function Shows Motor Torque Membrane Pad Check Fast Time Down Test Quick Spin Test Displays Software Revision Number Quick Service Cycle Board Output Test Help Codes Diagnostic Codes ... wrinkle free key. At any display. NOTE: Due to the various differences in separate permanent memories with the LED. The Help and Diagnostic code lists are 5 seconds of nine codes per list. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-11
...TABLE LED Washer: Press Keys Normal Wrinkle Free Quick Spin Light Soil Delicates Rinse Stain Cycle Presoak Hand Wash Special Test/Function Shows Motor Torque Membrane Pad Check Fast Time Down Test Quick Spin Test Displays Software Revision Number Quick Service Cycle Board Output Test Help Codes Diagnostic Codes ... wrinkle free key. At any display. NOTE: Due to the various differences in separate permanent memories with the LED. The Help and Diagnostic code lists are 5 seconds of nine codes per list. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-11
Service Manual
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... 800 RPM using 7/3 tumble pattern for 6 seconds. This will be a quick check of all valves off . 2. Speed Range Displayed a) 0-99 rpm 0-99 (actual) 4. When the washer is pressed again during the Service Mode, the speed will be displayed as follows. Spin to Low level, then turn all systems. If the Spin...
... 800 RPM using 7/3 tumble pattern for 6 seconds. This will be a quick check of all valves off . 2. Speed Range Displayed a) 0-99 rpm 0-99 (actual) 4. When the washer is pressed again during the Service Mode, the speed will be displayed as follows. Spin to Low level, then turn all systems. If the Spin...
Service Manual
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... /down the list one code at a time. If there are no help codes available, - - will be reviewed by using the arrow keys. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-13 BOARD OUTPUT TEST While in service mode press the hand wash key places the... washer into the service mode, then press the stain cycle key. A h will go track up /down arrow will display and turn on the bottom of a diagnostic code. The Help...
... /down the list one code at a time. If there are no help codes available, - - will be reviewed by using the arrow keys. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-13 BOARD OUTPUT TEST While in service mode press the hand wash key places the... washer into the service mode, then press the stain cycle key. A h will go track up /down arrow will display and turn on the bottom of a diagnostic code. The Help...
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... time it occurred. Also, while this key is being held, the LED should be the oldest code. The topmost will be turned on. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-14 Also, while this key is being held, the LED will display a d and turn the LED on the... arrow keys. If the code happened on the previous cycle, then the rightmost dot should be displayed. Number of Cycles Since Code Assigned While this diagnostic code is displayed, if the cotton/sturdy key is pressed and held, the machine shall display the number of cycles ago the...
... time it occurred. Also, while this key is being held, the LED should be the oldest code. The topmost will be turned on. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-14 Also, while this key is being held, the LED will display a d and turn the LED on the... arrow keys. If the code happened on the previous cycle, then the rightmost dot should be displayed. Number of Cycles Since Code Assigned While this diagnostic code is displayed, if the cotton/sturdy key is pressed and held, the machine shall display the number of cycles ago the...
Service Manual
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...service tests are identical to the LED washer, except instead of the screens on the...tests, RPM/ torque, unbalance diagnostic codes and exit service mode. If the washer is in operation when the ...service mode is not sensed within 10 seconds, the control will check the touch screen. Service Mode service test ####RPM ####torque unbalance system check diagnostic...diagnostic codes listed are sensed, the control will be listed. If all areas are the last four codes assigned by the washer...washer control panel to enter the Service Mode. The ...
...service tests are identical to the LED washer, except instead of the screens on the...tests, RPM/ torque, unbalance diagnostic codes and exit service mode. If the washer is in operation when the ...service mode is not sensed within 10 seconds, the control will check the touch screen. Service Mode service test ####RPM ####torque unbalance system check diagnostic...diagnostic codes listed are sensed, the control will be listed. If all areas are the last four codes assigned by the washer...washer control panel to enter the Service Mode. The ...
Service Manual
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...cycle exit system check Cancel & exit quick spin test: this returns you to the previous screen shown on the display panel.. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-18 At the same time, the screen will exit the system check screen and revert back to the ...service tests screen. If the washer is already running a wash cycle or not. Help codes: Display all diagnostic codes. Clear help codes: Clear the ...
...cycle exit system check Cancel & exit quick spin test: this returns you to the previous screen shown on the display panel.. Washer Controls Overview ©2001 Maytag Appliances Sales Company 2-18 At the same time, the screen will exit the system check screen and revert back to the ...service tests screen. If the washer is already running a wash cycle or not. Help codes: Display all diagnostic codes. Clear help codes: Clear the ...
Service Manual
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... restricted drain system, kinked/plugged drain hose or pump. Informative only; (LED washer only) Informative only; not-critical condition. Electrical noise detected by washer control board. Section 3: DIAGNOSTIC/HELP CODE TABLES. HELP CODES LISTING: Help Code 01 Description Plaster Unbalance Load Detected. 02 Reset Seen 03-06 (Not Used) 07 Slow Drain 08 One...
... restricted drain system, kinked/plugged drain hose or pump. Informative only; (LED washer only) Informative only; not-critical condition. Electrical noise detected by washer control board. Section 3: DIAGNOSTIC/HELP CODE TABLES. HELP CODES LISTING: Help Code 01 Description Plaster Unbalance Load Detected. 02 Reset Seen 03-06 (Not Used) 07 Slow Drain 08 One...
Service Manual
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non-HE detergent with suds suppressor being used; Teardown & Wiring Information ©2001 Maytag Appliances Sales Company 3-2 non-HE detergent with suds suppressor being used; Check wire harness connections at 450-850 rpm power for 30 seconds between 450... Section 3. washing clothes with minimal amount of soils present with normal measure amount of detergent 34 Too much power Maximum torque Perform Diagnostic Motor/Motor at start of power LED washer will also display"PF" 20 (Not Used) 21 Fast fill Fill level reached within a spin at motor, motor control board (...
non-HE detergent with suds suppressor being used; Teardown & Wiring Information ©2001 Maytag Appliances Sales Company 3-2 non-HE detergent with suds suppressor being used; Check wire harness connections at 450-850 rpm power for 30 seconds between 450... Section 3. washing clothes with minimal amount of soils present with normal measure amount of detergent 34 Too much power Maximum torque Perform Diagnostic Motor/Motor at start of power LED washer will also display"PF" 20 (Not Used) 21 Fast fill Fill level reached within a spin at motor, motor control board (...
Service Manual
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...at motor, motor control board (JP4 connector) 41 No tach signal during door unlock sequence Cycle was paused Informative only; Refer to Diagnostic code 62 (LCD Only) 45 Door locked when not expected Check door lock switch for welded contacts 46 Cabinet impact sensed Cabinet ... the tach occurred when the motor control was energized 16010486 (16008373-05) Revised 2/01 Section 3. Teardown & Wiring Information ©2001 Maytag Appliances Sales Company 3-3 Refer to locked when the door lock output was powered during unlock request No tach signal observed when motor control ...
...at motor, motor control board (JP4 connector) 41 No tach signal during door unlock sequence Cycle was paused Informative only; Refer to Diagnostic code 62 (LCD Only) 45 Door locked when not expected Check door lock switch for welded contacts 46 Cabinet impact sensed Cabinet ... the tach occurred when the motor control was energized 16010486 (16008373-05) Revised 2/01 Section 3. Teardown & Wiring Information ©2001 Maytag Appliances Sales Company 3-3 Refer to locked when the door lock output was powered during unlock request No tach signal observed when motor control ...
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...or pump Faulty pump Loose wire connections Bad control board LED - Display washer will not drain Check for : Clogged inlet screens Water Available Loose ... Will display "nd" LCD - Will display "Lr" LCD - Teardown & Wiring Information ©2001 Maytag Appliances Sales Company 3-4 Code Description 01 No drain Trigger The water level fails to drop below the low... unbalanced loads. (During spin only) 06 Locked rotor Locked rotor is still locked after 10 consecutive retry attempts 07 Heater is not working Check for: Perform Diagnostic motor/...
...or pump Faulty pump Loose wire connections Bad control board LED - Display washer will not drain Check for : Clogged inlet screens Water Available Loose ... Will display "nd" LCD - Will display "Lr" LCD - Teardown & Wiring Information ©2001 Maytag Appliances Sales Company 3-4 Code Description 01 No drain Trigger The water level fails to drop below the low... unbalanced loads. (During spin only) 06 Locked rotor Locked rotor is still locked after 10 consecutive retry attempts 07 Heater is not working Check for: Perform Diagnostic motor/...