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Model reference

Jenn-Air 4770

Range

1 document41 error codes7 service modes

Available documentation

Tech Sheet

  • Tech Sheet - W10176957 - Rev B16 pg
    Covers this model
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Error codes (41)

CodeMeaning
F01EEPROM communication error between the Central Control Unit (CCU) and the…F02Pump drive errorF03Main relays errorF04Heater has an internal short circuit to ground.F05Steamer defectF06Motor Control Unit (MCU) internal failureF11No water detected entering washer or pressure switch trip not detectedF20No water detected entering machine or pressure switch trip not detectedF21Long drainF22Door lock errorF23Overflow conditionF24Serial communication errorF25Door unlock errorF26Door lock errorF26EDispenser system errorF27Heater failureF28Water temperature sensor (NTC) errorF29Drive motor tachometer errorF30Door switch errorF31Motor Control Unit (MCU) failureF32Pressure switch failureF33Dispenser system errorF34Unload indicationF35Analog pressure sensor failureF36Motor Control Unit failureF40Steamer communication failureF41Steamer electronic board relays errorF42Total steamer failureF43Steamer inlet valve failureF44Steamer time out reached
View all 41 error codes
F60Central Control Unit heartbeat failureF61User Interface heartbeat failureF64Steamer inlet valve failureF66Steam temperature sensor (NTC) errorF70Not supportedF71User Interface heartbeat failureF74UI EEPROM failureF99Not supportedrLCleaning cycle unload indicationSdSuds lockSudSuds lock

Service modes (7)

  • diagnostic1
  • Diagnostic Test Only["Execute with an empty drum.","Close the door.","Push power.","Select the Drain and Spin…
  • Diagnostic Test with Error History and SW Versions["Washer must be empty and control must be in OFF state.","Close the door.","Select any one key…
  • diagnostic_test_only1
  • 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…
  • Steamer Functionality Checkup["For washers with steam function only.","Close the door.","Washer must be in OFF state.","Push…
  • steamer_functionality_checkup1

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