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Model reference

LG LMX28994ST/00

Refrigerator

1 document15 error codes9 service modes

Available documentation

Service Manual

  • Refrigerator Service Manual90 pg
    Covers this model
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Error codes (15)

CodeMeaning
Er CFAbnormality of BLDC fan motor for mechanic (condenser) roomEr COCommunication error between Micom of Main PCB and Display Micom, caused by poor…Er CSConvertible room sensor error caused by short or disconnection of the…Er dHPoor defrostingEr dSDefrosting sensor error caused by short or disconnection of the defrosting…Er FFAbnormality of BLDC fan motor for freezerEr 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 IFAbnormality of BLDC fan motor for ice makingEr ISIcing sensor error caused by short or disconnection of the icing sensor or ice…Er ItIce maker kit defect due to electrical system error such as motor, gear, Hall…Er rFAbnormality of BLDC fan motor for refrigeratorEr 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 (9)

  • Display Check FunctionSimultaneously press the Ultra Ice (Ice Plus) button and Freezer temperature adjustment button for…
  • Display Mode (Showroom/Demo)With the refrigerator door open, press and hold the Refrigerator Temp Button and ICE PLUS Button…
  • Error Code CheckWithin 3 hours after the 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…
  • 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
  • Toggle °F / °C DisplayPress and hold the FRZ TEMP and REF TEMP keys at the same time for over 5 seconds.

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

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