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LG Refrigerator Error Codes
LG Refrigerator Error Codes
If you're experiencing issues with your LG refrigerator, you've come to the right place. We provide everything you need to ensure your fridge operates at peak performance. Whether it's a malfunctioning thermostat disrupting temperature control, a worn door seal impacting efficiency, or a damaged shelf, we have a comprehensive range of genuine LG refrigerator parts to meet your needs. Our user-friendly catalog features parts for all LG refrigerator models, from sleek, modern designs to energy-efficient options. Simply search by your model number to quickly locate the exact part you require.


Error Code
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Causes & Solutions
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![]() ![]() Freezer Sensor Defect
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Issue:- Short-circuit or disconnection of the freezer sensor. Possible Causes & Solutions:
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![]() ![]() Refrigerator Sensor Defect
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Issue:- Short-circuit or disconnection of the refrigerator sensor. Possible Causes & Solutions:
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![]() ![]() Pantry Sensor Defect
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Issue:- Short-circuit or disconnection of the pantry sensor. Possible Causes & Solutions:
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![]() ![]() Ice-Room Sensor Defect
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Issue:- Short-circuit or disconnection of the ice-room sensor. Possible Causes & Solutions:
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![]() ![]() Freezer Defrosting Sensor Defect
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Issue:- Short-circuit or disconnection of the freezer defrosting sensor. Possible Causes & Solutions:
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![]() ![]() Room Temperature Sensor Defect
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Issue:- Short-circuit or disconnection of the room temperature sensor. Possible Causes & Solutions:
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![]() ![]() Humidity Sensor Defect
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Issue:- Short-circuit or disconnection of the humidity sensor. Possible Causes & Solutions:
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![]() ![]() Freezer Cubed Ice Maker Sensor Defect
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Issue:- Short-circuit or disconnection of the freezer cubed ice maker sensor. Possible Causes & Solutions:
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![]() ![]() Cubed Mini Ice Maker Sensor Defect
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Issue:- Short-circuit or disconnection of the cubed mini ice maker sensor. Possible Causes & Solutions:
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![]() ![]() Ice Maker Kit Defect
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Issue:- Malfunction of the ice maker motor. Possible Causes & Solutions:
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![]() ![]() Defect of Freezer Cubed Ice Maker Kit
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Issue:- Malfunction of the Cubed Mini Ice Maker Motor. Possible Causes & Solutions:
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![]() ![]() Defect of Cubed Mini Ice Maker Kit
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Issue:- Malfunction of the Cubed Mini Ice Maker Motor. Possible Causes & Solutions:
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![]() ![]() Defect of Flow Meter
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Issue:- Malfunction of the flow meter or lack of water supply. Possible Causes & Solutions:
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![]() ![]() Failed Defrosting
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Issue:- The defrosting sensor does not reach 40℉ (5℃) within 80 minutes after defrosting starts. Possible Causes & Solutions:
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![]() ![]() Abnormality of BLDC Fan Motor for Freezer
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Issue:- No feedback signal from the fan motor for more than 65 seconds. Possible Causes & Solutions:
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![]() ![]() Abnormality of BLDC Fan Motor for Ice Maker
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Issue:- No feedback signal from the fan motor for more than 65 seconds. Possible Causes & Solutions:
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![]() ![]() Abnormality of BLDC Fan Motor for Mechanic Room
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Issue:- No feedback signal from the fan motor for more than 65 seconds. Possible Causes & Solutions:
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![]() ![]() Communication Error
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Issue:- Communication error between main MICOM and display MICOM. Possible Causes & Solutions:
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![]() ![]() Sub Communication Error
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Issue:- Communication error between main MICOM and sub MICOM. Possible Causes & Solutions:
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![]() ![]() Wi-Fi Modem Error
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Issue:- Defective Wi-Fi modem or communication error between display MICOM and Wi-Fi modem. Possible Causes & Solutions:
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![]() ![]() High Side Cycle Leakage
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Issue:- Detected high-side refrigerant leak or restriction. Possible Causes & Solutions:
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![]() ![]() Low Side Cycle Leakage
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Issue:- Detected low-side refrigerant leak. Possible Causes & Solutions:
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![]() ![]() Refrigerator Defrost Sensor Error
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Issue:- Short circuit or disconnection of the defrost sensor. Possible Causes & Solutions:
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![]() ![]() Abnormality of BLDC Fan Motor for Refrigerator
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Issue:- Feedback signal not received within 65 seconds during motor operation. Possible Causes & Solutions:
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![]() ![]() UV Nano LED Module Error
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Issue:- Malfunction in UV LED module or display connection. Possible Causes & Solutions:
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![]() ![]() Abnormal Ice Maker Unit
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Issue:- Ice maker step motor or HALL IC failure. Possible Causes & Solutions:
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![]() ![]() Water Tank Switch
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Issue:- Water tank assembly issue or switch error. Possible Causes & Solutions:
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![]() ![]() Defrosting Sensor Error
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Issue:- Short circuit or disconnection of the defrosting sensor. Possible Causes & Solutions:
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![]() ![]() Convertible Sensor Error
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Issue:- Short circuit or disconnection of the pantry sensor. Possible Causes & Solutions:
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![]() ![]() Auto Door Module Problem
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Issue:- Hall sensor, motor, or auto door module connection failure. Possible Causes & Solutions:
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![]() ![]() Auto Door Reed Switch Problem
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Issue:- Auto door reed switch problem. Possible Causes & Solutions:
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![]() ![]() Auto Drawer Module Problem (Left)
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Issue:- Error of hall sensor, motor, or auto drawer module connection. Possible Causes & Solutions:
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![]() ![]() Auto Drawer Reed Switch Problem (Left)
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Issue:- Auto drawer reed switch problem on the left side. Possible Causes & Solutions:
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![]() ![]() Auto Drawer Module Problem (Right)
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Issue:- Error of hall sensor, motor, or auto drawer module connection. Possible Causes & Solutions:
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![]() ![]() Auto Drawer Reed Switch Problem (Right)
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Issue:- Auto drawer reed switch problem on the right side. Possible Causes & Solutions:
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![]() ![]() Communication Problem
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Issue:- Communication connection and transmission TR reception defect. Possible Causes & Solutions:
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![]() ![]() Communication Error
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Issue:- Communication error between Micom of Top Display PCB and Dispenser Micom. Possible Causes & Solutions:
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![]() ![]() Freezer Defrosting Sensor Error
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Issue:- Short or disconnection of defrost sensor. Possible Causes & Solutions:
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![]() ![]() Humidity Sensor Error
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Issue:- Short or disconnection of humidity sensor. Possible Causes & Solutions:
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![]() ![]() Icing Sensor Error
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Issue:- Short or disconnection of the icing sensor. Possible Causes & Solutions:
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![]() ![]() Pantry Sensor Error (Optional)
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Issue:- Short or disconnection of the pantry sensor. Possible Causes & Solutions:
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![]() ![]() Room Temperature Sensor Error
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Issue:- Short or disconnection of the room temperature sensor. Possible Causes & Solutions:
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![]() ![]() Ice Maker Kit Defect
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Issue:- Electrical system error in the ice maker kit, including motor, gear, Hall IC, or operation circuit. Possible Causes & Solutions:
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![]() ![]() Freezer Defrosting Error
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Issue:- If the defrost sensor does not reach 46°F (8°C) within 80 minutes, the error occurs. Possible Causes & Solutions:
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![]() ![]() Abnormality of BLDC Fan Motor for Freezer
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Issue:- The BLDC fan motor fails to provide feedback within 65 seconds. Possible Causes & Solutions:
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![]() ![]() Abnormality of BLDC Fan Motor for Mechanic Room
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Issue:- The BLDC fan motor in the mechanic room does not provide feedback within 65 seconds. Possible Causes & Solutions:
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![]() ![]() Communication Error
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Issue:- Communication error between the main PCB Micom and the display Micom. Possible Causes & Solutions:
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LG Refrigerator LRTNC0705V
1. Normal Operation
Issue: No malfunction detected.
Indicator: Always Off.
Possible Causes & Solutions:
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The appliance is functioning correctly, and no action is needed.
2. Refrigerator Sensor Error
Issue: The refrigerator room temperature sensor is either shorted or open.
Indicator: Blinks 3 times.
Possible Causes & Solutions:
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Inspect the refrigerator temperature sensor wiring for disconnections or damage.
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Replace the temperature sensor if faulty.
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Restart the appliance by unplugging it for a few minutes.
3. Defrost Sensor Error
Issue: The defrost temperature sensor is either shorted or open.
Indicator: Blinks 1 time.
Possible Causes & Solutions:
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Check the defrost sensor wiring for any damage or loose connections.
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If the sensor is defective, replace it.
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Ensure the defrost cycle operates correctly.
4. Room Temperature Sensor Error
Issue: The ambient temperature sensor is either shorted or open.
Indicator: Blinks 5 times.
Possible Causes & Solutions:
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Inspect the ambient temperature sensor for wiring disconnections or faults.
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If damaged, replace the sensor.
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Reset the appliance by unplugging it for a few minutes.
5. Defrost Failure
Issue: After two hours of operation, the defrost sensor temperature does not exceed 13°C.
Indicator: Blinks 4 times.
Possible Causes & Solutions:
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Check the defrost heater for functionality; replace it if necessary.
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Ensure the defrost sensor is working correctly and replace it if needed.
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Verify proper airflow and that vents are not blocked.
6. Knob Dial Error
Issue: The knob dial resistance is either shorted or open.
Indicator: Blinks 2 times.
Possible Causes & Solutions:
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Inspect the knob dial connections for any damage or disconnections.
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If the knob dial is faulty, replace it.
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Ensure the dial is properly aligned and functioning.
7. Freezer Fan Motor Failure
Issue: The freezer fan is either locked or open.
Indicator: Blinks 6 times.
Possible Causes & Solutions:
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Inspect the freezer fan motor for any obstructions preventing rotation.
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Check the fan motor wiring for disconnections.
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Replace the fan motor if it is defective.

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