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Model reference

Magic Chef 31FY-10K-49

Range

3 documents59 error codes26 service modes

Available documentation

Service Manual

  • Instruction Sheet - 854371916 pg
    Covers this model

Tech Tip

  • Instruction Sheet - 39800578 pg
    Covers this model
  • Instruction Sheet - 397971412 pg
    Covers this model
MyPros+ Max

Diagnose your Magic Chef 31FY-10K-49.

  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
  • Verified part numbers when replacement is needed
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Error codes (59)

CodeMeaning
:Flashing colon indicates a power failure has occurred.CAAverage current limit trip; a 2-second average current draw greater than 5.55…CECommunications error; breakdown in communication between the machine controller…CIInstantaneous current limit trip; a spike of 26 Amps was detected instantly at…E1Thermistor is open.E2Thermistor has shorted.E3User interface keyswitch or software mismatch between console electronics and…Enter clockPower failure has occurred; 'Enter clock' flashes on display.ErProcessor reset error; the control failed to save cycle information during a…F1 E0Oven user interface failure.F1 E1Internal Oven Appliance Manager (AM) error.F1 E4Microwave Oven Relay Error.F1 E5Microwave Oven Inverter Error.F1 E6Microwave Generation Error.F1E1Oven user interface failure.F1E4MW Relay failure (Relay 4903 on ACU).F1E5Microwave Oven Inverter Error.F2Touch panel failure.F2 E0Keypad disconnected.F2 E1Stuck/shorted key on keypad.F2E0Keypad disconnected.F2E1Stuck/shorted key.F3 E0Main oven temperature sensor open or shorted.F3 E3Meat probe connector jack or meat probe shorted.F3E0Main oven sensor open or shorted.F3E1Microwave Oven Cavity Temperature Sensor error.F3HHumidity sensor failure.F4 E1Cavity (microwave) temperature sensor error.F4 E2Magnetron temperature sensor error.F4 E4Microwave Oven Humidity Sensor Error.
View all 59 error codes
F4 E8Inverter over temperature.F4 E9Inverter and Magnetron over temperature.F4E1Cavity temperature sensor failure.F4E4Microwave Oven Humidity Sensor Error.F5 E0Door and latch switch do not agree.F5 E1Latch not operating.F5E0Door and latch switch do not agree.F5E1Latch not operating.F6MW relay failure (Relay 4903 contact may have welded closed).F6 E4User Interface / Appliance Manager state status mismatch.F6 E6Oven user interface or oven appliance manager lost communication.F6 E8Lost communication with Microwave Oven Appliance Manager.F6 EAOver temperature (two contextsF6E0Oven user interfaceF6E1Over temperature.F6E5No cavity size command.F6E6Oven appliance managerF6E8Lost communications with Microwave Oven Appliance Manager.F8E5Exhaust air temperature detection failure.F9 E0Product not wired correctly.LdLong drain; it takes longer than 5 minutes to pump out water to the point where…LFLong fill; the water fill time exceeded 10 minutes, causing the water valves to…LSLid switch error; the control cannot detect lid switch opening/closing…MV-4903MW Relay failure (relay contact on ACU has welded closed).No DisplayThermal fuse, Copernicus Appliance Manager, or User Interface failure causing…obOff balance; the motor controller detected an unrecoverable off-balance…PFPower failure occurred while the dryer was running.SLSuds lock; excessive suds detected and the unit was unable to clean out suds…SrStuck relay; the relay has failed in the closed position so the machine…

Service modes (26)

  • Automatic Service DiagnosticsControl must be in Off state. Perform Key Dance within 5 seconds
  • Cavity Size SelectEnter Diagnostics mode (CANCEL > CANCEL > START), then press '3' or '6' keys to scroll to cavity…
  • Console Keypad and LED TestControl must be in Off state. Perform Key Dance within 5 seconds
  • Diagnostic / Self-Diagnostic Test Mode["Plug in microwave oven or reconnect power.","In idle mode, close the door, turn off hood light…
  • Diagnostic / Test Mode["Plug in microwave oven or reconnect power.","Press Cancel button to enter Standby mode (colon ':'…
  • Diagnostic Test Mode["Ensure the dryer is in Standby Mode (plugged in and all indicators off).","Press the following…
  • Diagnostics / Test Mode["Plug in microwave oven or reconnect power.","Press CANCEL to enter Standby mode (colon ':'…
  • Diagnostics ModePress CANCEL > CANCEL > START
  • Diagnostics mode (for failure code verification)["Press CANCEL
  • Diagnostics Mode (Self-Diagnostic Test Mode)["Plug in microwave oven or reconnect power.","Press CANCEL button to enter standby (display shows…
  • Diagnostics Mode / Test Mode["Plug in microwave oven or reconnect power.","Press CANCEL button to reach standby (colon…
  • Diagnostics Mode 1Within 2 minutes of power up, press CANCEL > CANCEL > START
  • Diagnostics Mode 2After 2 minutes of power up, press CANCEL > CANCEL > START
  • Dryness Level Adjust (TEST #4a)["Enter the Diagnostic Test Mode (MORE TIME, LESS TIME, MORE TIME, LESS TIME within 5…
  • Dryness Level Adjust Mode["Enter the Diagnostic Test Mode (MORE TIME → LESS TIME → MORE TIME → LESS TIME within 5…
  • Error Code View/ClearEnter Diagnostics mode (CANCEL > CANCEL > START), then press '3' or '6' key to scroll to Faults…
  • Manual DiagnosticsControl must be in Off state. Perform Key Dance within 5 seconds
  • Nutate and Recirculate TestControl must be in Off state. Perform Key Dance within 5 seconds
  • Relay ActivationEnter Diagnostics mode (CANCEL > CANCEL > START), then press numeric '3' or '6' keys to scroll to…
  • Self-Diagnostic Test Mode["Press and hold the OFF/CANCEL button while opening the door.","While still holding the OFF/CANCEL…
  • Spin and Drain TestControl must be in Off state. Water should be present in the unit. Perform Key Dance within 5…
  • Status ScreenEnter Diagnostics mode (CANCEL > CANCEL > START), then press numeric '3' or '6' keys to scroll to…
  • Touch Panel and ACU Diagnostic Test["Plug in microwave oven or reconnect power.","In idle mode, close the door, turn off hood light…
  • Touch Panel and Electronic Control Self-Diagnostic Test Mode["Press and hold OFF/CANCEL while opening the door.","While still holding the OFF/CANCEL button…
  • Touch Panel and PCBA Self-Diagnostic Test Mode["Press and hold the STOP/CLEAR button while opening the door.","While still holding the STOP/CLEAR…
  • Water Inlet and Dispenser Valve Operating PS TestControl must be in Off state. Perform Key Dance within 5 seconds

Full entry steps, exit procedures, and test sequences are available in Max.

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