Maytag MXR40 User Manual

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Maytag Commercial

MXR Series

PD & PN Washers

SERVICE MANUAL

W10602871

TECHNICAL EDUCATION

WASHER MODELS:

MXR65, MXR55, MXR40, MXR30, MXR25 & MXR20

PD & PN

Table of Contents

Other manuals for Maytag MXR40

Installation Instructions28 pages

Programming Guide80 pages

Questions and Answers:

A
Aaron LucasAug 7, 2025
What to do if the water level is incorrect in my Maytag Washer?
- H
  Holly SmithAug 7, 2025
  If you're experiencing an incorrect water level in your Maytag Washer, here are a few things to check: * Ensure the programmed water levels are correct. * Verify that the correct Machine Type is selected in the Configuration Menu. * If you've changed the Machine Type, remember that standard water levels can only be reinitialized by programming new values or by loading the Standard Wash programs again.
S
Shelly CarterAug 12, 2025
How to unlock Maytag Washer door after power outage?
- E
  Eugene PattersonAug 12, 2025
  To unlock the door of your Maytag Washer during a power outage: First, remove the front panel. Reach over the edge of the front panel on the door lock side. Push the emergency door opening button, then turn the door handle to the right. Finally, open the door.
M
malonebiancaAug 16, 2025
What to do if the display of my Maytag MXR40 Washer is not illuminated?
- W
  wardkeithAug 17, 2025
  If the display on your Maytag Washer is not illuminated, here's what you can check: * Ensure the external power supply is switched on and the washer is receiving external power. * Deactivate the emergency button. * Confirm the power connector is properly connected. * Inspect the wiring and ensure the connector is correctly connected. * If the display lights up after these checks, verify that the input signals or the +16Vdc Supply Signal are not touching the cabinet. * If there is no Flash Memory inserted in its socket on the wash computer, use the correct software and Flash Memory.
J
jacquelinegrahamAug 22, 2025
Why is my Maytag Washer showing 'Bootloader' and not running the application?
- J
  Jo FitzpatrickAug 22, 2025
  If your Maytag Washer display shows 'Bootloader' but the application doesn't run, it's likely because there's no software loaded in the application. To fix this, load the application software from the USB flash drive.
A
Alexis BishopAug 27, 2025
How to improve the readability of the text on my Maytag MXR40 display?
- J
  Jeremy EdwardsAug 27, 2025
  If the text on your Maytag Washer display is difficult to read, adjust the brightness and viewing angle in the Configuration Menu until the display is clear.
J
jenniferballSep 1, 2025
What to do if Maytag Washer displays an error message?
- J
  Jonathan BriggsSep 1, 2025
  To resolve error messages on your Maytag Washer, use the Diagnostic Program. This program will test the individual functions of the washer one by one to help determine the problem.

Maytag MXR40 Specifications

General

Brand	Maytag
Model	MXR40
Color	White
Energy Star Certified	No
Washer Type	Top Load

Summary

General

Commercial Washer Safety

Details safety precautions specific to commercial washing machines.

Belt Inspection and Adjustment

Bolt Torque Values

Component Access

Open Control Panel

Main Control Board

MC-7 Control Board Connections

Display Board Connections

Display Board

Automatic Door Release Module - PD Models

Emergency Stop Button - PN Models

Coin Drop and Coin Sensor - PD Models

Coin Vault Switch - PD Models

Coin Vault - PD Models

Control Panel Removal

User Interface Overlay

Top Panel Removal

Chemical Dispenser

Chemical Dispenser Support

Water Inlet Valve Debris Filters

Water Inlet Valve Solenoids - All Models

Water Inlet Valves 3/4” - 55 & 65 lb Models

Water Inlet Manifolds - MXR55 - 65 Only

Mains Disconnect

Motor Contactor

Isolating Transformer

EMI Filter

Fuses

USB Port

Chemical Injection Mixing Chamber

Door Glass Bowl and Seal

Door Handle

Door and Hinges

Front Panel

Door Lock

Front Plate

Drain Valve

Door Support Front Plate

Tub Front Cover

Back Panel

Drive Motor

Inverter Fan

Inverter

Temperature Sensor

Rotation Sensor

Left Side Panel

Right Side Panel

Basket Pulley

Bearing House

Bearing House Reinstall

Instructions for reinstalling the bearing house assembly.

Basket

Basket Reinstall

Step-by-step guide for reinstalling the washer basket.

Outer Tub & Bearing Support

Basket Pulley Reinstall

Toroidal Autotransformer MXR20, 25 & 30 - 120VAC Models

Component Testing

Door Lock Component Testing From Door Lock & Harness Plug

Contactor Testing

Inverter Testing

Motor Winding Test

Main Control Board Testing

PD Keypad Testing

PN Keypad Testing

Isolating Transformer Testing

Temperature Sensor Testing

Diagnosis and Troubleshooting

Door Will Not Unlock

Troubleshooting steps for a washer door that fails to unlock.

Error Message Displayed

Guidance on interpreting and responding to error messages on the display.

How to Handle Fault Messages

Fault Code Overview

Diagnostic Program

Basic Diagnostic Wash Program

Details of the basic diagnostic wash cycle for testing.

Wiring Diagrams

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