Model reference
LG LSC23954ST
Refrigerator
2 documents10 error codes9 service modes
Available documentation
Service Manual
- Refrigerator Service Manual117 pg
- Refrigerator Manual De Servicio116 pg
MyPros+ Max
Diagnose your LG LSC23954ST.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
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Error codes (10)
CodeMeaning
CFCooling BLDC fan motor errorCOCommunication error between main PCB and display PCBdHDefrost heater errordSDefrost sensor short or open circuit detected.FFFreezing BLDC fan motor errorFSFreezer sensor short or open circuit detected.r1Refrigerator sensor 1 (upper part in refrigerator compartment) short or open…r2Refrigerator sensor 2 (R2, lower part in refrigerator compartment) short or…rSRefrigerator sensor 1 (R1, upper part in refrigerator compartment) short or…rtAmbient (room temperature) sensor short or open circuit (secondary error…Service modes (9)
- °C/°F TogglePress and hold FREEZER and REFRIGERATOR keys simultaneously for over 5 seconds.
- Celsius/Fahrenheit TogglePress and hold the FREEZER and REFRIGERATOR keys simultaneously for over 5 seconds.
- Demonstration Mode (Demo/OFF Mode)Open any door, then press and hold ICE PLUS and REFRIGERATOR buttons simultaneously for more than 5…
- Display Check ModePress ICE PLUS button and FREEZER temperature button simultaneously for more than 5 seconds.
- Display OFF ModePress FREEZER and ICE PLUS buttons simultaneously
- Display OFF Mode (Standby)Press FREEZER and ICE PLUS buttons simultaneously
- Icemaker Test ModePress and hold the Fill Key on the icemaker for more than 3 seconds.
- Test Mode 1 (Freezing Force Mode)Press the TEST S/W button on the main PCB once while in normal mode.
- Test Mode 2 (Compulsory Frost Removal Mode)Press the TEST S/W button on the main PCB once while in Test Mode 1.
Full entry steps, exit procedures, and test sequences are available in Max.
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