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Maytag Manuals
Washer
MFR80PN
Service manual
Maytag MFR80PN Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Document Links
General
Washer Safety
Model and Serial Number Designations
Model & Serial Number Label and Wiring Diagram Location
Model Number Conversion Table
General User Information
Dimensions and Components
Technical Specifications 18/25/30/40 Lb. Capacity
Technical Specifications 50/60/80 Lb. Capacity
Tool Set for Rigid Machines
Service Kits to Convert MFR Coin Drop to Simple OPL
EPROM Chip Version Changes
Installation Information
Uncrating
Starting the Washer
End of Wash Cycle
To Unlock the Door Manually
Daily Maintenance
Convert Coin Washer to Simple OPL
Invert Water Inlet Valve Screen
Convert from 60Hz to 50Hz Operation
Troubleshooting MFR Inlet Hose Leaks
Basic Operation
Operating Controls
Cabinet Front Panels
Washer Door
Door Lock Operation
Drain Valve
Water Inlet Valves
Brake Resistor - MFR60 - 80
Inverter
Motor
Transformer
MFR PD User Interface Usage in Program Mode
MFR PN Control Panel Usage
Chemical Injection Control
Contactor
Coin Drop Acceptor
Component Access
Remove Softener Compartment Funnel and Siphon
Raise the Top
Remove Facia - PD
Remove Facia - PN
Remove Stop Button - PN
Remove Control Board - PD
Remove Control Board & Membrane Switch - PN
Remove Key Pad - PD
Remove and Replace EPROM Chip
Remove Fuse from Control Board
Remove Control Panel
Remove Coin Drop Mechanism
Remove Optic Sensor
Remove Coin Vault
Remove Washer Top
Remove Lower Service Panel
Remove the Door
Remove Hinge Blocks
Remove Door Handle & Latch
Remove & Install Door Gasket - MFR60 - 80
Remove Front Panel - MFR18 & 25
Remove Front Panel with 90° Rotation - MFR30 - 80
Removable Hinge Pin
Remove Front Panel Straight Forward
Remove Door Hinge
Remove Door Lock no Access Panel
Remove Door Lock - with Access Panel
Remove Door Lock Mounting Block
Remove Water Inlet Valve Assembly
Remove Chemical Dispenser
Remove Contactor
Remove Transformer MFR18 & 25
Remove Terminal Block
Remove Back Panel
Remove and Reinstall Belts - MFR25
Remove Belt - MFR18 & 30 - 80
Remove Idler Assembly, Pulley and Bearing - MFR25
Remove Motor - MFR18 & 25
Remove Motor - MFR30 - 80
Remove Motor Mounting Plate - MFR30 - 80
Remove AKO Inverter - MFR18 & 25
Remove Mitsubishi E500 Inverter
Remove Mitsubishi D700 Inverter
Remove Brake Resistor MFR60 & 80
Remove Drain Valve
Remove Temperature Sensor
Cabinet Removal
Remove Cabinet - MFR30 - 80
Remove Cabinet - MFR18 & 25
Tubs, Baskets, Bearings & Seals
Remove & Reinstall Basket Pulley - MFR18 & 25
Remove Trunnion and Basket - MFR18 & 25
Remove Trunnion & Replace Bearings - MFR18 & 25
Remove & Replace Axial Seal - MFR18 & 25
Remove & Replace Counter-Face Ring MFR18, 25, 30, 40, 50, 80
Reinstall Trunnion Assembly - MFR18 & 25
Remove Trunnion Assembly - MFR30
Remove & Replace Bearings - MFR30
Remove & Replace Axial Seal and Counter-Face Ring - MFR30
Reinstall Trunnion Assembly - MFR30
Remove & Reinstall Spin Basket - MFR30
Remove the Basket - MFR40 & 50
Remove and Install Bearings - MFR40 - 50
Remove Tub from Frame - MFR40 & 50 (All Other Models Are Similar)
Remove & Replace Bearing Assembly - MFR60
Remove Tub Front Panel - MFR80
Remove Basket Pulley - MFR30 - 80
Remove Spin Basket - MFR80
Remove & Replace Bearing Assembly - MFR80
Component Testing
Testing & Repairing Water Inlet Valves
Inlet Valve-Stem Assembly Parts
Testing Door Lock Components from Door Lock Wire Harness Plug
Testing Door Lock Components from Control Board
Testing Contactor
Testing Inverters
Testing Brake Resistor
Testing Motors
Other Component Resistance Chart
Inverter Drive Chart
Testing Washer Control Board
Testing PD Key Pad
Testing PN Key Pad
Testing Transformer MFR18 & 25
Testing Temperature Sensor
Quick Test
Diagnostics & Troubleshooting
MFR30 - 80 Power Supply
Troubleshooting Mitsubishi Inverters
Troubleshooting AKO Inverters
Remove Inverter Cooling Fan
Inverter "Do Not's
Troubleshooting at Control Board
MC4 Control Boards
MC5 Control Boards
Diagnosing the Control Board
Troubleshooting Display Problems
R1 - Harness Plug
DL1 - Door Lock Connector
T1 - Temperature Sensor
L1 - Debit Card Reader
RS485 - Serial COM1
TTL Y1 - Serial COM2
D1 - MC4 12VDC Tap
MC5 24VDC Tap
A1 - Coin Acceptor
K1 - PD Key Pad Connector
F1 - Frequency Inverter
GA - Display Connector
Q1 - MC5 PN - Chemical Supply
M1 - Output Voltage Test Point
MC4 PD Upgrade to MC5 Board
Troubleshooting Motor
Troubleshooting Belt Tension - MFR40 - 50
Troubleshooting Drain Valves
Troubleshooting Door Lock
Remove Door Locked Switch
Remove Latch Bar
Remove Bimetal
Remove Blocking Bar
Remove Door Closed Switch
Remove Door Lock Solenoid
Remove Door Unlock Solenoid
Verification of Door Gasket Pressure
Troubleshooting Door Leaks
Troubleshooting Over-Fill Condition
Verify Hinge Position - MFR30 - 50
Wiring Diagrams
Mitsubishi Inverter
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See also:
Programming Manual
SeRviCe Manual
Maytag Commercial
MFR Series Washers
MFR INVERTER DRIVE MODELS:
MFR18PD
MFR25PD
MFR30PD,
MFR40PD,
MFR50PD
MFR60PD,
MFR80PD,
TeCHniCal eDuCaTiOn
W10251143
MFR30PN
MFR40PN
MFR60PN
MFR80PN
Table of
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Table of Contents
Troubleshooting
Troubleshooting MFR inlet hose leaks
28
DiaGnOSTiCS & TROuBleSHOOTinG
169
Troubleshooting Mitsubishi inverters
170
Troubleshooting AKO inverters
173
Troubleshooting at control board
176
Troubleshooting Display Problems
179
Troubleshooting motor
183
Troubleshooting belt tension - MFR40 - 50
184
Troubleshooting drain valves
186
Troubleshooting door lock
188
Troubleshooting door leaks
196
Troubleshooting over-fill condition
197
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