LG refrigerator error code

LG fridge error codes

LG Side by Side Fridge Error Codes

LG Side by Side Refrigerator Error Codes

Error Code Description
Er FS Freezer Sensor error
Er rS Refrigerator Sensor error
Er dS Defrost Sensor error
Er IS Ice Maker Sensor error
Er SS Pantry Room Sensor error
Er rt Room Sensor or Ambient Sensor error
Er It Ice Maker Kit error
Er gf Flow Meter Sensor error
Er dH Poor Defrost error
Er IF Ice Maker Fan error
Er FF Freezer Fan Motor error
Er rF Refrigerator Section Fan Motor error
Er CF Condenser Fan Motor error
Er CO Communication error between Main and Display PCB

A Green will blink on main pcb if any component failure or Disconnected from main pcb as below table.

LG Inverter Refrigerator Red LED Error Codes

LG Inverter Refrigerator Green LED Error Codes

Blink Sequence Error Description Solution
Defrost sensor error Check the defrost sensor and wiring.
Knob dial error Inspect the knob for proper operation.
Ref compartment sensor error Verify the sensor connection and functionality.
Defrost circuit error Check defrost timer and heater.
Ambient sensor error Inspect the ambient sensor for damage.
Normal operation Continue regular monitoring.

A tactile switch is given on main pcb between components to testing cooling and defrosting system of LG refrigerator, we can press switch to test as below sequence.

LG Fridge Test Mode

LG Fridge Test Mode

Test Switch Operation Description
1 Time Press Start compressor instantly with fan motor. If the fan motor is faulty, it will either stop or run for a 20-second interval.
2 Time Press Start defrost heater and stop working compressor and fan motor. The defrost heater starts if the defrost temperature is below 0 degrees Celsius and will remain on until the freezer temperature goes to 13 degrees Celsius.

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