LG
Compressor Start Failure
Clicking noise and refrigerator not cooling; compressor attempts to start repeatedly.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed compressor, Faulty inverter board (for linear compressor), Overload protector tripping due to high current, Low or locked rotor condition
How to Fix / Troubleshooting
Safety: Unplug the refrigerator. High voltage and refrigerant are involved; sealed system work must be done by a certified technician.
- Basic check: Ensure adequate ventilation around the refrigerator and that condenser coils are clean.
- Listen pattern: If you hear a click every few minutes with no sustained compressor hum, the compressor may be locked or the inverter failing.
- Professional service: Do not bypass safety devices. Contact an LG-authorized technician to test compressor windings, inverter output, and refrigerant pressures.
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Repair Difficulty
Professional Required
5/5
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