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Model reference

LG LFX25971SB03

Refrigerator

7 documents10 error codes18 service modes

Available documentation

Service Manual

  • Refrigerator Service Manual52 pg
    Covers this model
  • Refrigerator Service Manual52 pg
    Covers this model
  • Refrigerator Service Manual52 pg
    Covers this model
  • Refrigerator Service Manual52 pg
    Covers this model
  • Refrigerator Service Manual52 pg
    Covers this model
  • Refrigerator Service Manual52 pg
    Covers this model
  • Refrigerator Service Manual52 pg
    Covers this model
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Diagnose your LG LFX25971SB03.

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  • Test values, resistance specs, and wiring references
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Error codes (10)

CodeMeaning
Er CFAbnormality of BLDC fan motor for mechanic (condenser) roomEr COCommunication error between Micom of Main PCB and Display Micom.Er dHPoor defrostingEr dSShort or disconnection of defrosting sensor.Er FFAbnormality of BLDC fan motor for freezerEr FSShort or disconnection of freezer sensor.Er IFAbnormality of BLDC fan motor for ice makingEr ISShort or disconnection of icing sensor.Er rSShort or disconnection of refrigerator sensor.Er rtRoom temperature sensor error (displayed when ICE PLUS key and Freezer Temp key…

Service modes (18)

  • Display °F/°C TogglePress and hold the FRZ TEMP and REF TEMP keys simultaneously for over 5 seconds.
  • Display Temperature Unit Toggle (°F/°C)Press and hold the FRZ TEMP and REF TEMP keys at the same time for over 5 seconds.
  • Icemaker Test ModePress and hold the Fill Key on the icemaker for 3 seconds.
  • LED Check FunctionSimultaneously press the Ice Plus button and the Freezer Temperature adjustment button for one…
  • RESETPush the test button one time while in TEST3 mode.
  • RESET (Exit Test Mode)Push the test button one time while in TEST3 mode.
  • RESET (from Test Mode)Push test button one time while in TEST MODE 3.
  • Temperature Display Toggle (°F/°C)Press and hold the FRZ TEMP and REF TEMP keys simultaneously for over 5 seconds.
  • TEST MODE 1 (Forced Cooling)Push test button one time on main PCB controller.
  • TEST MODE 2Push test button one time while in TEST MODE 1.
  • TEST MODE 3 (Forced Defrosting)Push test button one time while in TEST MODE 2.
  • TEST1 (Forced Cooling)Push the test button one time on the main PCB controller.
  • TEST2Push the test button one time while in TEST1 mode.
  • TEST2 (Damper Close Test)Push test button one time while in TEST1 mode.
  • TEST2 (Damper Close)Push test button one time while in TEST1 mode.
  • TEST2 (Forced Cooling, Damper Closed)Push the test button one time while in TEST1 mode.
  • TEST3 (Forced Defrost)Push test button one time while in TEST2 mode.
  • TEST3 (Forced Defrosting)Push the test button one time while in TEST2 mode.

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

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