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Model reference

LG LFC21776ST03

Refrigerator

1 document11 error codes4 service modes

Available documentation

Service Manual

  • Refrigerator Service Manual66 pg
    Covers this model
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Error codes (11)

CodeMeaning
Er CFAbnormality of BLDC fan motor for condenser (mechanic room); no feedback signal…Er COCommunication error between Micom of Main PWB and Display Micom, caused by poor…Er dHPoor defrosting error; defrosting sensor has not reached above 8°C within 1…Er dSDefrosting sensor error caused by short or disconnection of the defrosting…Er FFAbnormality of BLDC fan motor for freezer; no feedback signal received within…Er FSFreezer sensor error caused by short or disconnection of the freezer sensor.Er HSHumidity sensor error caused by short or disconnection of the humidity sensor.Er ISIcing sensor error caused by short or disconnection of the icing sensor.Er ItIce maker kit defect; other electrical system error such as motor, gear, Hall…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…

Service modes (4)

  • Error History DisplayPress the Ice Plus button and Freezer button simultaneously.
  • Test Mode 1Push the test button on the Main PCB 1 time
  • Test Mode 2Push 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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