mypros+
Model reference

Magic Chef U31FK-7-NK

Range

3 documents15 error codes13 service modes

Available documentation

Tech Sheet

  • Tech Sheet - 127281124 pg
    Covers this model

Other

  • 820664212 pg
    Covers this model

Installation Guide

  • Installation Instructions16 pg
    Covers this model
MyPros+ Max

Diagnose your Magic Chef U31FK-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 (15)

CodeMeaning
00No faults present.CdCondenser fan output fault.CLCommunication link lost between boards.CPCompressor output fault.dHDefrost heater output fault.dPDamper motor output fault.EFEvaporator fan output fault.EOOpen thermistor detected.ESShorted thermistor detected.F1H.VF2H.VF3H.VF4H.VF5Touch Panel fault.F6H.V

Service modes (13)

  • Force/Terminate DefrostToggle freezer door light switch 5 times within 6 seconds.
  • Service Mode (Mode A – System Checks / Mode B – Calibration)1
  • Service Mode A – Option 1: Display Error CodesEnter Service Mode, navigate to Mode A, select Option 1, press Confirm Settings Key.
  • Service Mode A – Option 10: Display Door Opening CountEnter Service Mode, navigate to Mode A, select Option 10, press Confirm Settings Key.
  • Service Mode A – Option 11: Display Defrost Terminator StatusEnter Service Mode, navigate to Mode A, select Option 11, press Confirm Settings Key.
  • Service Mode A – Option 2: Display Average On and Off TimesEnter Service Mode, navigate to Mode A, select Option 2, press Confirm Settings Key.
  • Service Mode A – Option 3: Forced Pull-downEnter Service Mode, navigate to Mode A, select Option 3, press Confirm Settings Key.
  • Service Mode A – Option 4: Independent Evaporator Fan ModeEnter Service Mode, navigate to Mode A, select Option 4, press Confirm Settings Key.
  • Service Mode A – Option 5: Display Current Actual TemperaturesEnter Service Mode, navigate to Mode A, select Option 5, press Confirm Settings Key.
  • Service Mode A – Option 6: Force Compressor On OnlyEnter Service Mode, navigate to Mode A, select Option 6, press Confirm Settings Key.
  • Service Mode A – Option 7: Force Condenser Fan On OnlyEnter Service Mode, navigate to Mode A, select Option 7, press Confirm Settings Key.
  • Service Mode A – Option 8: Force Evaporator Fan On OnlyEnter Service Mode, navigate to Mode A, select Option 8, press Confirm Settings Key.
  • Service Mode A – Option 9: Force Motorized Damper On OnlyEnter Service Mode, navigate to Mode A, select Option 9, press Confirm Settings Key.

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

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