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Model reference

Whirlpool WFW9400SW04

Washer

5 documents35 error codes5 service modes

Available documentation

Tech Sheet

  • WFW9400SW01 Tech Sheet16 pg
    Covers this model
  • Diagnostic Guide16 pg
    Covers this model
  • DIAGNOSTIC GUIDE - Tech Sheet W10217131 WFW9400SW04 WP Washer16 pg
    Covers this model

Service Flash

  • PRODUCT UPDATES - Duet Washer6 pg
    Covers this model

Quick Reference

  • Quick Reference Manual2 pg
    Covers this model
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Error codes (35)

CodeMeaning
F01EEPROM errorF02Pump drive errorF06Main relays errorF07Heater short circuit to groundF09Motor Control Unit (MCU) errorF10No water detected entering machine or pressure switch trip not detectedF11Steamer defectF20No water detected entering machine or pressure switch trip not detectedF21Long drainF22Door lock errorF23Heater failureF24Water temperature sensor (NTC) errorF25Drive motor tachometer errorF26Door switch errorF27Overflow conditionF28Serial communication errorF29Door unlock errorF30Dispenser system errorF31Motor Control Unit (MCU) failureF32Pressure switch failureF33Motor Control Unit failure due to repetitive undervoltageF34Unload indicationF35Analog pressure sensor failureF40Central Control Unit heartbeat failureF41User Interface heartbeat failureF42Not supportedF64Steamer inlet valve failureF66Steam temperature sensor (NTC) errorF70Central Control Unit heartbeat failureF71User Interface heartbeat failure
View all 35 error codes
F74UI EEPROM failureF99Not supportedrLCleaning cycle unload indicationSdSuds lockSudSuds lock

Service modes (5)

  • Diagnostic Test Only["Execute with an empty drum.","Close the door.","Push POWER.","Select the DRAIN AND SPIN…
  • Error History, Software Version, and Diagnostic Test["Washer must be empty and control must be in OFF state.","Close the door.","Select any one key…
  • Error History, Software Versions and Diagnostic Test1. Washer must be empty and control in OFF state. 2. Close the door. 3. Select any one key except…
  • Manual Diagnostic Test1. Washer must be empty and control in OFF state. 2. Close the door. 3. Select any one key except…
  • Quick Diagnostic Test (Automated Test Only)1

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