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Model reference

LG LFX28979SB/02

Refrigerator

1 document16 error codes7 service modes

Available documentation

Service Manual

  • Refrigerator Service Manual82 pg
    Covers this model
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Error codes (16)

CodeMeaning
Er CFAbnormality of BLDC fan motor for mechanic room (condenser); no feedback signal…Er COCommunication error between Micom of Main PCB and Display Micom.Er dHPoor defrosting error; if defrosting sensor does not exceed 46°F (8°C) after 1…Er dSDefrosting sensor error caused by short or disconnection of the defrosting…Er FFAbnormality of BLDC fan motor for freezer; no feedback signal for over 65…Er FSFreezer sensor error caused by short or disconnection of the freezer sensor.Er gFFlow meter (sensor) defect caused by error of flow meter, water input, or low…Er IdFreezer shelf icing sensor error caused by short or disconnection of the…Er IFAbnormality of BLDC fan motor for ice making; no feedback signal for over 65…Er ISIcing sensor error caused by short or disconnection of the icemaker icing…Er ItIce maker kit defect caused by electric system error such as motor, gear, Hall…Er IUFreezer shelf ice maker kit defect caused by electric system error such as…Er rFAbnormality of BLDC fan motor for refrigerator; no feedback signal for over 65…Er rSRefrigerator sensor error caused by short or disconnection of the refrigerator…Er rtRoom temperature sensor error caused by short or disconnection of the room…Er SSPantry sensor error caused by short or disconnection of the pantry sensor.

Service modes (7)

  • Error Code DisplayWithin 3 hours after the error
  • Ice-detecting Sensor Diagnosis1
  • Icemaker Test Mode (Fill Key)Press and hold the Fill Key for about 3 seconds. The icemaker will run through 3 stages step by step
  • Smart DiagnosisHold your phone to the Smart Diagnosis speaker when activating Smart Diagnosis.
  • Test Mode 1 (All 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)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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