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Model reference

LG LFC25770SB

Refrigerator

3 documents11 error codes12 service modes

Available documentation

Service Manual

  • Refrigerator Service Manual43 pg
    Covers this model
  • Refrigerator Service Manual43 pg
    Covers this model
  • Refrigerator Service Manual42 pg
    Covers this model
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Error codes (11)

CodeMeaning
CFCondenser fan motor failure.ErDefect code displayed on refrigerator and freezer display panels when a fault…Er DSDefrost sensor failure (open or short-circuited).Er FSFreezer sensor failure (open or short-circuited).Er RSRefrigerator sensor failure (open or short-circuited).Er SSRoom temperature sensor failure (indicated only in checking display, not on…FdFreezer defrost sensor failure (short-circuited or open).FFFreezer fan motor failure.FSFreezer sensor failure (short-circuited or open).rFRefrigerator fan motor failure.rSRefrigerator sensor failure (short-circuited or open).

Service modes (12)

  • Demonstration (Display) Mode1
  • Freezer Fan Variable RPM CheckPress and hold the WARMER keys of both the REF TEMP and FRZ TEMP simultaneously.
  • Icemaker Test ModePress and hold the Fill Key for 3 seconds.
  • LED Check FunctionPress and hold the WARMER key of refrigerator temp and the WARMER key of freezer temp for one…
  • Room Temperature Sensor Check DisplayPress and hold the WARMER key of refrigerator temp and the WARMER key of freezer temp for more than…
  • Temperature Display °F/°C TogglePress and hold the FRZ TEMP and the COLDER key of REF TEMP at the same time for over 5 seconds.
  • Temperature Display F/C Toggle["Press and hold the FRZ TEMP key and the COLDER key of REF TEMP at the same time for over 5…
  • Temperature Display Mode Change (°F/°C)Press and hold the FRZ TEMP and the COLDER key of REF TEMP keys at the same time for over five…
  • Test ModePress the test button on the main PCB controller.
  • Test Mode (Main PCB)Press the button on the main PCB controller to enter test mode.
  • Test Mode 1 - Forced Cooling["Enter Test Mode via main PCB button to activate forced cooling check."]
  • Test Mode 3 - Forced Defrosting["Enter Test Mode via main PCB button to activate forced defrost check."]

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

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