Model reference
Magic Chef 31FA-10K
Range
1 document16 error codes8 service modes
Available documentation
Tech Tip
- Instruction Sheet - 397921012 pg
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- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
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Error codes (16)
CodeMeaning
:Power failure indicationE1Thermistor is open (open circuit detected).E2Thermistor has shorted (short circuit detected).E3User interface keyswitch or software mismatch between the control…F1E4Microwave ACU PCBA failure.F2Touch panel failure.F2E1Stuck key failure on the touch panel.F3HHumidity sensor failure.F4E1Cavity temperature sensor failure.F4E4Humidity sensor error.F4E9AccuPop error.F6MW relay failure (Relay 4903 contacts may have welded closed).F8E5Exhaust air temperature detection failure.NTC OPEN, CALL FOR SERVICEHood thermistor (HF NTC) is open circuit.NTC SHORT, CALL FOR SERVICEHood thermistor (HF NTC) is shorted.PFPower failure occurred while the dryer was running.Service modes (8)
- diagnostic["Plug in microwave oven or reconnect power.","Press CANCEL button to enter Standby mode (colon ':'…
- Diagnostic Test Mode["Unit must be in Standby mode (plugged in, display off).","Alternately press the Less Time (∨) and…
- Diagnostic/Test Mode["Plug in microwave oven or reconnect power.","Press the Cancel keypad to standby (colon ':'…
- Diagnostics / Test Mode["Plug in microwave oven or reconnect power.","Press CANCEL button to enter standby (colon…
- Diagnostics mode (Failure code verification)["Press CANCEL","Press CANCEL","Press START"]
- Self-diagnostic test mode["1
- Touch Panel and ACU PCBA Test (Test Mode)["Plug in microwave oven or reconnect power and press the Cancel keypad to standby (':')","Close…
- Touch Panel and ACU Test (Self-Diagnostic Test Mode)["Plug in microwave oven or reconnect power.","Press CANCEL button to enter standby (display shows…
Full entry steps, exit procedures, and test sequences are available in Max.
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