LG Refrigerator Error Codes
Common LG refrigerator diagnostic codes, possible causes and troubleshooting information.
LG Refrigerator Error Code Guide
| Code | Common Meaning | What to Check |
|---|---|---|
| CF | Condenser/mechanical compartment fan problem | Fan motor, wiring and main control. |
| CO | Communication error | Main control, display PCB and wiring connections. |
| dH | Defrost problem | Defrost system, heater, sensor and related wiring. |
| dS | Defrost sensor problem | Freezer/refrigerator defrost sensor and wiring. |
| FF | Freezer fan problem | Check for frost or ice around the freezer fan and inspect fan operation. |
| rS | Refrigerator sensor fault | Refrigerator temperature sensor and wiring. |
| rT | Room temperature sensor fault | Ambient temperature sensor and circuit. |
| 22 | Compressor relay problem | Compressor starting circuit and related components. |
| 33 | Compressor relay problem | Compressor relay/start circuit requires diagnosis. |
| 67 | Door closing problem | Check for an obstruction or door gap preventing proper closure. |
Important: LG refrigerator codes and their display format vary by model. Verify the complete model number before diagnosing or replacing components.
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