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Model reference

Magic Chef U31FA-7-NK

Range

3 documents14 error codes19 service modes

Available documentation

Tech Sheet

  • Tech Sheet - RT32100027 pg
    Covers this model

Service Manual

  • Midline Blender Service Manual18 pg
    Covers this model

Installation Guide

  • Installation Instructions16 pg
    Covers this model
MyPros+ Max

Diagnose your Magic Chef U31FA-7-NK.

  • 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 (14)

CodeMeaning
-F2-Keyboard (membrane switch) failure.-F3H-Humidity sensor failure.-F3T-Temperature sensor failure.-F7-Power to magnetron interrupted.:Flashing colon indicates a power failure has occurred.00No faults present.CdCondenser fan output fault.CLCommunication link lost between high voltage and low voltage boards.CPCompressor output fault.dHDefrost heater output fault.dPDamper motor output fault.EFEvaporator fan output fault.EOOpen thermistor.ESShorted thermistor.

Service modes (19)

  • Force/Terminate Defrost["Toggle freezer door light switch 5 times within 6 seconds."]
  • Hidden Lockout for Upper Keypad["Press the LOCK/UNLOCK and Display ON/OFF buttons simultaneously for 3 seconds."]
  • Sabbath Mode["Press and hold both LOCK/UNLOCK and Light ON/OFF buttons simultaneously for 3 to 4 seconds."]
  • Self-Diagnostic Test Mode (Touch Panel and Microcomputer Board Test)["Depress the 'Cancel OFF' button while opening the door.","While still depressing the 'Cancel OFF'…
  • Service Mode["Turn unit to OFF position
  • Service Mode A - Option 1: Display Error Codes["Enter Service Mode.","Select Mode A using Freezer Temperature Set keys.","Select Option 1 using…
  • Service Mode A - Option 10: Display Door Opening Count["Enter Service Mode.","Select Mode A, Option 10.","Press Confirm Settings Key to enter."]
  • Service Mode A - Option 11: Display Defrost Terminator Status["Enter Service Mode.","Select Mode A, Option 11.","Press Confirm Settings Key to enter."]
  • Service Mode A - Option 2: Display Average On and Off Times["Enter Service Mode.","Select Mode A, Option 2.","Press Confirm Settings Key to enter."]
  • Service Mode A - Option 3: Forced Pull-down["Enter Service Mode.","Select Mode A, Option 3.","Press Confirm Settings Key to enter."]
  • Service Mode A - Option 4: Independent Evaporator Fan Mode["Enter Service Mode.","Select Mode A, Option 4.","Press Confirm Settings Key to enter."]
  • Service Mode A - Option 5: Display Current Actual Temperatures["Enter Service Mode.","Select Mode A, Option 5.","Press Confirm Settings Key to enter."]
  • Service Mode A - Option 6: Force Compressor On Only["Enter Service Mode.","Select Mode A, Option 6.","Press Confirm Settings Key to enter."]
  • Service Mode A - Option 7: Force Condenser Fan On Only["Enter Service Mode.","Select Mode A, Option 7.","Press Confirm Settings Key to enter."]
  • Service Mode A - Option 8: Force Evaporator Fan On Only["Enter Service Mode.","Select Mode A, Option 8.","Press Confirm Settings Key to enter."]
  • Service Mode A - Option 9: Force Motorized Damper On Only["Enter Service Mode.","Select Mode A, Option 9.","Press Confirm Settings Key to enter."]
  • Service Mode B - Calibration and Feature Changes["Enter Service Mode.","Select Mode B using Freezer Temperature Set keys."]
  • Temperature Conversion Mode["Press the Display ON/OFF and Freezer Temp Set Increase button simultaneously for 3 seconds.","Use…
  • Vacation Mode["Press the Vacation mode key to activate."]

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

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