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Model reference

LG LFX25991ST

Refrigerator

2 documents17 error codes12 service modes

Available documentation

Service Manual

  • Refrigerator Service Manual89 pg
    Covers this model

Bulletin

  • Service Bulletin - Refrigerator4 pg
    Covers this model
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Error codes (17)

CodeMeaning
Er CFAbnormality of BLDC fan motor for machine room (condenser)Er COCommunication error between Micom of Main PCB and Display Micom.Er FFAbnormality of BLDC fan motor for freezerEr FSFreezer sensor errorEr gFFlow meter (sensor) defectEr HSHumidity sensor errorEr IFAbnormality of BLDC fan motor for ice makingEr ISIcing sensor errorEr ItIce maker kit defectEr rFAbnormality of BLDC fan motor for refrigeratorEr rSRefrigerator sensor errorEr rtRoom temperature sensor errorEr SSPantry sensor errorF dHFreezer defrosting errorF dSFreezer defrost sensor errorr dHRefrigerator defrosting errorr dSRefrigerator defrost sensor error

Service modes (12)

  • Display Check FunctionSimultaneously press Ultra Ice button and freezing temperature adjustment button for a second to…
  • Display ModeWith the refrigerator door open, press and hold the Refrigerator Temp Button and ICE PLUS Button…
  • Display Mode (Showroom/Demo)With the refrigerator door open, press and hold the Refrigerator Temp Button and ICE PLUS Button…
  • Error Code Check (within 3 hours of error)Press the Ice Plus button and Freezer button simultaneously.
  • Error Code Display CheckWithin 3 hours after error
  • Ice-detecting sensor Diagnosis1
  • Icemaker Test ModePress and hold the FILL key on the icemaker for about 3 seconds. The icemaker will run through 3…
  • Temperature Display Toggle (°F/°C)Press and hold the FRZ TEMP and REF TEMP keys at the same time for over 5 seconds.
  • Test Mode 1 (Comp/Damper/All FAN on)Push the test button on the Main PCB 1 time
  • Test Mode 2 (Damper closed)Push the test button on the Main PCB 2 times
  • Test Mode 3 (Forced defrost mode)Push the test button on the Main PCB 3 times
  • Test Mode 3 (Forced defrost)Push the test button on the Main PCB 3 times

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

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