Customer Service
TM
Washer
Service Manual
16010061
Compiled From
16008373, 16010199,
,SAFETY PRECAUTIONS
This manual is to be used only by a Maytag Authorized Service Technician familiar with and
knowledgeable of proper safety and servicing procedures and possessing high quality testing
equipment associated with microwaves, gas, and electrical appliance repair.
All individuals who attempt repairs by improper means or adjustment subject themselves and
others to the risk of serious or fatal injury.
USE ONLY GENUINE MAYTAG APPROVED FACTORY REPLACEMENT COMPONENTS.
16008373-01 SAFETY PRECAUTIONS
© 1998 Maytag Corporation
,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.
Model(s) covered in this manual:
MAH3000
For additional information on material covered in this manual, including safety issues,
contact:
Maytag Appliances Sales Company
240 Edwards Street, S.E.
Cleveland, TN 37311
Phone: 423.472.3333
FAX: 423.478.6722
16008373-01 INTRODUCTION i
© 1998 Maytag Corporation
, CONTENTS
I N T R O D U C T I O N ........................................................................................................................................................... i
C O N T E N T S ....................................................................................................................................................................... i i
SECTION 1. G E N E R A L I N F O R M A T I O N ...................................................................................................... 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 ................................................................................................................... 1 - 1 0
M I S C E L L A N E O U S ....................................................................................................................................................... 1 - 1 1
Door Latch Switch Monitoring .................................................................................................................... 1 - 1 1
Door Lock/Spin Control ................................................................................................................................... 1 - 1 1
Redistribution ......................................................................................................................................................... 1 - 1 1
Push-To-Start Relay Operation .................................................................................................................... 1 - 1 2
CYCLE REVIEW ............................................................................................................................................................. 1 - 1 3
GENERAL COMPONENT EXPLODED VIEW ............................................................................................ 1 - 1 4
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 .................................................................. 2 - 1
ELECTRICAL TEST EQUIPMENT ........................................................................................................................ 2 - 1
ELECTRICAL TESTS ..................................................................................................................................................... 2-2
Grounded Components ..................................................................................................................................... 2-2
Voltage Checks ......................................................................................................................................................... 2-2
Water Valve Test....................................................................................................................................................... 2-2
Wax Motor Check/Door Lock Mechanism ............................................................................................ 2-2
Timer & Console Switches ............................................................................................................................... 2-3
Timer Input Charts .................................................................................................................................................. 2-3
Machine Control....................................................................................................................................................... 2-5
DRIVE MOTOR ................................................................................................................................................................... 2-7
MOTOR CONTROL BOARD ...................................................................................................................................... 2-7
Motor & Motor Control 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 2
Strut Displacement Switch ............................................................................................................................ 2 - 1 2
Inertial Unbalance Switch ............................................................................................................................... 2 - 1 3
Cabinet Vibration Sensor ............................................................................................................................... 2 - 1 3
Cabinet Vibration Absorber ......................................................................................................................... 2 - 1 3
16008373-01 CONTENTS ii
© 1998 Maytag Corporation
TM
Washer
Service Manual
16010061
Compiled From
16008373, 16010199,
,SAFETY PRECAUTIONS
This manual is to be used only by a Maytag Authorized Service Technician familiar with and
knowledgeable of proper safety and servicing procedures and possessing high quality testing
equipment associated with microwaves, gas, and electrical appliance repair.
All individuals who attempt repairs by improper means or adjustment subject themselves and
others to the risk of serious or fatal injury.
USE ONLY GENUINE MAYTAG APPROVED FACTORY REPLACEMENT COMPONENTS.
16008373-01 SAFETY PRECAUTIONS
© 1998 Maytag Corporation
,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.
Model(s) covered in this manual:
MAH3000
For additional information on material covered in this manual, including safety issues,
contact:
Maytag Appliances Sales Company
240 Edwards Street, S.E.
Cleveland, TN 37311
Phone: 423.472.3333
FAX: 423.478.6722
16008373-01 INTRODUCTION i
© 1998 Maytag Corporation
, CONTENTS
I N T R O D U C T I O N ........................................................................................................................................................... i
C O N T E N T S ....................................................................................................................................................................... i i
SECTION 1. G E N E R A L I N F O R M A T I O N ...................................................................................................... 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 ................................................................................................................... 1 - 1 0
M I S C E L L A N E O U S ....................................................................................................................................................... 1 - 1 1
Door Latch Switch Monitoring .................................................................................................................... 1 - 1 1
Door Lock/Spin Control ................................................................................................................................... 1 - 1 1
Redistribution ......................................................................................................................................................... 1 - 1 1
Push-To-Start Relay Operation .................................................................................................................... 1 - 1 2
CYCLE REVIEW ............................................................................................................................................................. 1 - 1 3
GENERAL COMPONENT EXPLODED VIEW ............................................................................................ 1 - 1 4
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 .................................................................. 2 - 1
ELECTRICAL TEST EQUIPMENT ........................................................................................................................ 2 - 1
ELECTRICAL TESTS ..................................................................................................................................................... 2-2
Grounded Components ..................................................................................................................................... 2-2
Voltage Checks ......................................................................................................................................................... 2-2
Water Valve Test....................................................................................................................................................... 2-2
Wax Motor Check/Door Lock Mechanism ............................................................................................ 2-2
Timer & Console Switches ............................................................................................................................... 2-3
Timer Input Charts .................................................................................................................................................. 2-3
Machine Control....................................................................................................................................................... 2-5
DRIVE MOTOR ................................................................................................................................................................... 2-7
MOTOR CONTROL BOARD ...................................................................................................................................... 2-7
Motor & Motor Control 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 2
Strut Displacement Switch ............................................................................................................................ 2 - 1 2
Inertial Unbalance Switch ............................................................................................................................... 2 - 1 3
Cabinet Vibration Sensor ............................................................................................................................... 2 - 1 3
Cabinet Vibration Absorber ......................................................................................................................... 2 - 1 3
16008373-01 CONTENTS ii
© 1998 Maytag Corporation
