Maytag MAT14CS User manual

Next Generation Top Load
Commercial Washer
Coin and Non-Coin
SERVICE MANUAL
MODELS: MAT14CS MAT14PD MAT14PR MAT15MN
W10251135
TECHNICAL EDUCATION

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WHIRLPOOL CORPORATION assumes no responsibility for any repairs made
on our products by anyone other than Authorized Factory Service Technicians.
Copyright © 2008, Whirlpool Corporation, Benton Harbor, MI 49022
FORWARD
This Maytag Service Manual, ”Next Generation Top Load Commercial Washer”
(Part No. W10251135), provides the Commercial Laundry Service Professional with
information on the installation, operation, and service of the Coin and non coin “Next
Generation Top Load Commercial Washer”. For specic information on the model
being serviced, refer to the “Installation Instructions,” or “Tech Sheet” provided with
the washer. The Wiring Diagrams used in this Service Manual are typical and should
be used for training purposes only. Always use the Wiring Diagram supplied with the
product when servicing the unit. Some procedures may differ between models. Any
differences will be specied as MN or CS model specic.
GOALS AND OBJECTIVES
The goal of this Service Manual is to provide information that will enable the
Commercial Laundry Service Professional to properly diagnose malfunctions and
repair the Next Generation Top Load Commercial Washer. The objectives of this
Service Manual are to:
Understand and follow proper safety messages.
Successfully troubleshoot and diagnose malfunctions.
Successfully perform necessary repairs.
Successfully return the washer to its proper operational status.
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TABLE OF CONTENTS
GENERAL................................................................................................................................. 1-1
View entire service video .................................................................................. 1-1
Model number designations.............................................................................................. 1-2
Model and serial number label location ............................................................................ 1-3
Maytag commercial laundry literature list ......................................................................... 1-4
INSTALLATION REQUIREMENTS........................................................................................... 2-1
Tools and parts .................................................................................................................2-1
Location requirements ...................................................................................................... 2-2
Recessed area and closet installation .............................................................................. 2-3
Product dimensions .......................................................................................................... 2-3
Standpipe drain system .................................................................................................... 2-3
Electrical requirements ..................................................................................................... 2-4
Recommended ground method ........................................................................................ 2-4
BASIC OPERATION OF COMMERCIAL WASHER................................................................. 3-1
General user information .................................................................................................. 3-1
Control set-up procedures ................................................................................................ 3-2
How to use the key pads to program the controls ........................................................... 3-2
Start operating set-up ....................................................................................................... 3-2
Set-up codes..................................................................................................................... 3-3
COMPONENT ACCESS ........................................................................................................... 4-1
Remove the control panel assembly................................................................................. 4-1
Remove the control panel assembly - MN model ............................................................. 4-1
Power source plug - MN model ........................................................................................ 4-2
Export model rinse level wire harness option - MN and CS models................................. 4-2
Remove timer knob - MN model ....................................................................................... 4-3
Remove escutcheon - MN model ..................................................................................... 4-3
Remove the timer - MN model.......................................................................................... 4-4
Remove the controls - MN model ..................................................................................... 4-4
Replace control panel - MN model ................................................................................... 4-5
Remove the processor control board................................................................................ 4-6
Remove escutcheon ......................................................................................................... 4-7
Remove display lens......................................................................................................... 4-7
Remove the relays............................................................................................................ 4-8
Remove ground wire......................................................................................................... 4-8
Remove the user interface................................................................................................ 4-9
Remove the water level pressure switch .......................................................................... 4-10
Remove low voltage transformer ...................................................................................... 4-11
Remove the power cord.................................................................................................... 4-12
Remove the control cover assembly................................................................................. 4-13
Remove the metercase..................................................................................................... 4-14
Remove the cabinet front.................................................................................................. 4-16
Remove entire cabinet...................................................................................................... 4-17
Splash guard and retainer - MN model............................................................................. 4-20
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Remove the vacuum break - MN model ........................................................................... 4-21
Remove the inlet hose - MN model .................................................................................. 4-22
Remove the agitator ......................................................................................................... 4-23
Remove the tub ring ......................................................................................................... 4-24
Remove the balance ring.................................................................................................. 4-25
Remove the balance ring - MN model .............................................................................. 4-26
Remove the basket........................................................................................................... 4-27
Remove the tub ................................................................................................................ 4-28
Remove the tub seal......................................................................................................... 4-30
Remove motor splash guard............................................................................................. 4-30
Remove the pump ............................................................................................................ 4-31
Remove the basket drive .................................................................................................. 4-32
Remove the tub support ................................................................................................... 4-33
Triangular base assembly................................................................................................. 4-34
Remove tub support spring and bracket........................................................................... 4-36
Remove drain hose, bracket and cup ............................................................................... 4-37
Remove feature panel ...................................................................................................... 4-38
Rear support leveling system ........................................................................................... 4-39
ADDITIONAL COMPONENT ACCESS .................................................................................... 4-40
Remove the coin drop....................................................................................................... 4-40
Remove the coin slide - CS model ................................................................................... 4-41
Remove the timer - CS model .......................................................................................... 4-42
Remove coin funnel - CS model ....................................................................................... 4-43
Remove lid switch............................................................................................................. 4-44
Remove inlet valve ........................................................................................................... 4-46
Remove the lid.................................................................................................................. 4-47
Remove the pump ............................................................................................................ 4-48
Parts of the motor ............................................................................................................. 4-49
Remove the motor ............................................................................................................ 4-50
Remove the transmission ................................................................................................. 4-52
Replacement transmission ............................................................................................... 4-53
Remove clutch assembly and parts.................................................................................. 4-54
Remove the brake assembly ............................................................................................ 4-56
Remove drive cam............................................................................................................ 4-57
COMPONENT TESTING........................................................................................................... 5-1
Motor thermal protector switch ......................................................................................... 5-1
Dual water inlet valve........................................................................................................ 5-1
Motor................................................................................................................................. 5-2
Hidden lid switch............................................................................................................... 5-3
Motor start capacitor ......................................................................................................... 5-3
Basket drive shaft checks ................................................................................................. 5-4
TABLE OF CONTENTS - CONTINUED
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TABLE OF CONTENTS - CONTINUED
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DIAGNOSIS & TROUBLESHOOTING ..................................................................................... 6-1
Diagnostic codes .............................................................................................................. 6-1
Top Load washer diagnostic mode ................................................................................... 6-2
Top Load washer help mode............................................................................................. 6-3
Mechanical coin slide model timer sequence chart .......................................................... 6-4
Mechanical non-pay model timer sequence chart ............................................................ 6-5
WIRING DIAGRAMS................................................................................................................. 7-1
Mechanical coin slide models ........................................................................................... 7-1
Mechanical non-pay models ............................................................................................. 7-2
Electronic control models.................................................................................................. 7-3
INTERACTIVE SERVICE MANUAL INSTRUCTIONS
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