Maytag MAH5500B Service Manual

©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 part number 16008373. Please refer to this manual for detailed service
information.
We suggest you file this with your 16008373 Manual for reference.
MAYTAG
New Century
Neptune Washer
Service Manual
Supplement

Maytag MAH5500B Specifications

General

Brand	Maytag
Model	MAH5500B
Category	Washer
Language	English

Summary

INTRODUCTION

SECTION 1. GENERAL INFORMATION

SPECIFICATIONS

Key technical specifications like capacity, electrical, motor, and dimensions.

SCREW & BOLT TORQUES

Torque values for various screws and bolts used in the washer.

BASIC MACHINE OPERATION

General Flow Of A Complete Wash Cycle

Step-by-step description of how a typical wash cycle progresses.

CYCLE SEQUENCES

Wash Time Tumble

Details on wash tumble duration for different cycle selections.

INPUT WATER TEMPERATURE

SECTION 2. WASHER CONTROLS OVERVIEW

BASIC CONTROL BOARD PHILOSOPHY

Overview of the control board's architecture and communication flow.

USER INTERFACE SELECTIONS: (LED Washer)

FABRIC MODE

How fabric selection keys recall previous settings and remember preferences.

OPTIONS MODE

PRESSURE SWITCH INPUT

START/PAUSE INPUT

Main Wash Target Temperatures

REDISTRIBUTION

MISCELLANEOUS

DOOR LOCK PHILOSOPHY

How the machine control board checks and ensures proper door lock operation.

POWER LOSS/FAILURE

SERVICE MODE

LED WASHER:

Accessing Service Mode:

Steps to enter Service Mode on LED Washer models.

QUICK SERVICE CYCLE

HELP CODES

DIAGNOSTIC CODES:

ACCESSING SERVICE MODE

User Interface Tests

Test to check the functionality of the LCD touch screen.

Service Cycle

SYSTEM CHECK

SECTION 3: DIAGNOSTIC/HELP CODE TABLES.

HELP CODES LISTING:

Table of help codes, triggers, and recommended actions.

DIAGNOSTIC CODES LISTING:

GENERAL COMPONENT - EXPLODED VIEW

SECTION 4. ELECTRICAL COMPONENTS & TESTING

ELECTRICAL TESTS

Tests related to electrical components and systems.

Water Valve Test

Procedure to test the water valve and its thermistor resistance.

DOOR LOCK MECHANISM

INPUT/OUTPUT VOLTAGES (LCD Washer)

Membrane Pad Checks

DRIVE MOTOR

Motor & Motor Control Test

HEATER ASSEMBLY

Thermistor Temperature Chart

SECTION 5. TEARDOWN & WIRING INFORMATION

CONSOLE REMOVAL

Steps to remove the washer's control console assembly.

MICROPROCESSOR BOARD REMOVAL

Procedure for removing the main control board from the console.

DOOR LATCH HOOP

REMOVAL

Steps for removing the door latch hoop from the door assembly.

DOOR LOCK MECHANISM

WATER SYSTEM COMPONENTS

WATER VALVE

Steps to remove the water valve assembly.

PRESSURE SWITCH

Location and function of the pressure switch on the pump assembly.

REMOVAL

HEATER ASSEMBLY

REMOVAL

SUMP COVER

REMOVAL

Steps to remove the sump cover from the outer tub assembly.

WIRING INFORMATION

MAH5500B

Wiring schematic and information specific to the MAH5500B model.

MAH7500