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Fisher & Paykel WA37T26EW User Manual

Fisher & Paykel WA37T26EW
58 pages
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479602
Service Manual
ECOSMART
Electronic Washer
Model:
WA37T26EW
WA42T26GW
Product codes:
96186 US
96193 US
96194 CA

Table of Contents

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Fisher & Paykel WA37T26EW Specifications

General IconGeneral
BrandFisher & Paykel
ModelWA37T26EW
CategoryWasher
LanguageEnglish

Summary

HEALTH & SAFETY

Electrical & ESD Safety

Ensure power is off and use anti-static strap for electronic component servicing.

General Safety Practices

Maintain tidy work area, isolate water, check for leaks, use edge protection.

TECHNICAL OVERVIEW

Motor Control Module

Details the function and identification of the Motor Control Module.

Display Module

Explains the role of the Display Module in user interaction and feedback.

SIZE SETTING MODE

SIZE SETTING MODE

Instructions for setting the machine's size and the consequences of incorrect settings.

DIAGNOSTIC MODE

Last Fault Data

How to access and interpret the last recorded fault data.

Drain Pump Test

Procedure to test the drain pump function.

Water Valve Test

Procedure for testing hot and cold water valves.

Recirculation Valve Test

Procedure for testing the recirculation valve.

User Warnings

Overview of user-related warnings signaled by LEDs and beeps.

Diagnostic Table

Table for interpreting diagnostic information using spin speed LEDs.

Diagnostic Mode 0, Last User Warning Number

How to interpret the last user warning from LEDs.

Voltage Readings from the Controller

Details voltage readings for various controller components.

Resistance Readings from the Controller

Details resistance readings for various controller components.

Binary Decoding Chart – 8 Bits (0-255)

Chart for converting wash progress LED states to binary values.

WIRING DIAGRAM

DETAILED FAULT CODES

Fault Descriptions

Explains the fault description format and lists primary faults.

Motor Control Module Fault

Error writing to EEPROM or memory error. Action: Replace Motor Control Module.

Size Switch Error

Mismatch between display size setting and memory. Action: Reselect size.

Temperature Sensor (Thermistor) Error

Thermistor open circuit or low temperature. Action: Check connection/resistance, replace.

Flood Protection Error

Water level above flood level. Action: Check valves, pump, drain hose.

Water Valve Over Current

High current draw from water valve circuit. Action: Check resistance, replace module.

Water Leak Fault

Excessive top-ups during agitate. Action: Check drain hose, leaks, seals.

No change in the water level (Pump Blocked Error)

Water level not changing during drain. Action: Check drain hose, pump, recirculation valve.

Pressure Sensor Fault

Empty water level recorded during agitate. Action: Check pressure tube, replace module.

Pressure Tube Fault

Pressure tube blocked, kinked, or fallen off. Action: Check tube, replace module.

Inner Basket Disengage Fault

Basket not engaged when tub is empty. Action: Check clutch, pressure tube.

Display Memory Check Fault

Memory differences found on power up. Action: Replace Display Module.

Hot and Cold Valve Coil Faulty

Hot and cold valves detected as faulty. Action: Check wiring, valve coils, module.

Recirculation Valve Fault

Water level drop during recirculation. Action: Check valve, solenoid, module.

Motor Current Sense Too High

Motor current reached unrealistically high level. Action: Replace Motor Control Module.

Motor Stall

Motor unable to start. Action: Check harness, motor, bearings, module.

Motor loss of a Phase

Loss of one motor phase. Action: Check harness, stator, module.

Lid Lock Open Circuit

Open circuit in lid lock harness or connections. Action: Replace lid lock assembly.

Lid Lock Short Circuit

Lid lock mechanism jammed or failed. Action: Check resistance, replace assembly.

SERVICE PROCEDURES

Removal of Motor Control Module

Instructions for removing the Motor Control Module.

SPECIALISED SERVICE PROCEDURES

Blocked Pump Procedure

Steps to clear a blockage in the pump.

Shaft & Bearing Replacement

Procedure for replacing the shaft and bearings using a tool kit.

Shaft & Bearing Assembly

Steps for assembling the shaft and bearings.

OPERATING PROBLEMS

No Power

Troubleshooting steps for a machine with no power.

Flooding / Leaking

Common causes and checks for flooding or leaking issues.

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