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Maytag MAH7500A Manuals
Manuals and User Guides for Maytag MAH7500A. We have
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Maytag MAH7500A manual available for free PDF download: Supplemental Service Manual
Maytag MAH7500A Supplemental Service Manual (53 pages)
Brand:
Maytag
| Category:
Washer
| Size: 8.67 MB
Table of Contents
Table of Contents
2
Specifications
4
Section 1. General Information
4
Basic Machine Operation
5
General Flow of a Complete Wash Cycle
5
Cycle Sequence
6
Wash Time Tumble
6
Basic Tumble Patterns
6
Rinse Tumble Times/Number of Rinses
6
Input Water Temperature
7
On/Off Sequence of Pump During Spin Cycle
7
Section 2. Washer Controls Overview
8
Signal Mode/Cycles Mode
9
Fabric Mode
9
Temperature Mode
9
User Interface Selections: (LED Washer)
9
Display Characteristics
10
Options Mode
10
Changing Selections
10
User Interface Selections: (LCD Washer)
10
Input Modification Defined
11
Pressure Switch Input
11
Temperature Sensor Input
11
Door Lock Switch Input
11
End-Of-Cycle Signal Output
12
Start/Pause Input
12
Tach Input
12
Output Modification Defined
12
Main Wash Target Temperatures
13
Cycle Sequence Definitions
13
Door Locked Light Output
13
Water Valve Options
13
Bleach Dispense
14
Redistribution
14
Suds Detection
14
Tumble Flush
14
Door Lock Operation
15
Advertising Mode
16
Special Features
16
Power Loss/Failure
16
Service Mode
17
LED Washer
17
LCD Washer
17
Special Tests
18
Membrane Pad Check
18
Fast Time down Test
18
Quick Spin Test
18
Quick Service Cycle
19
Help Codes
20
Board Input Test
20
Board Output Test
20
Diagnostic Codes
21
Number of Cycles Since Code Assigned
21
Accessing Diagnostic Codes
21
Clearing the Help Codes
21
Accessing Service Mode
22
Service Tests
22
User Interface Tests
22
Service Cycle
23
System Check
25
Diagnostic/Help Codes
25
Help Codes Listing
26
Section 3. Diagnostic/Help Code Tabels
26
Diagnostic Codes Listing
29
Exploded View and Component Indentification
32
Glossary of Terms
33
Water Valve Test
36
Door Lock Test
36
Section 4. Electrical Components & Testing
36
Machine Control
37
Input/Output Voltages
38
Membrane Pad Checks
39
Motor Control Access
40
Motor Control Board
40
Drive Motor
40
Machine Control Board Output Test
41
Motor Phases
41
Motor & Motor Control Test
41
Motor Drive System Test
41
Heater Assembly
42
Heater will Not Turn on
42
Thermistor Temperature Chart
43
Teardown and Wiring Information
44
Console Removal
44
Section 5. Teardown & Wiring Information
44
Door Latch Hoop Removal
45
Console Cover Plug
45
Cabinet Assembly
45
Door Lock Mechanism Removal
46
Rear Access Panel
47
Water System Components
47
Water Valve Removal
47
Pressure Switch Removal and Reinstallation
47
Heater Assembly Removal
48
Sump Cover Removal
49
Wiring Information
50
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