ErrorCodeDoctor
LG · Refrigerator (French Door)
LG Refrigerator (French Door) 33 error code
Difficulty: Hard
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Cost: $100–$400
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Duration: Requires professional service
The 33 error means your LG refrigerator has detected a problem with the compressor relay. This is similar to the 22 error but represents a different fault condition within the relay or compressor circuit. The compressor relay controls power delivery to the compressor — when it fails the compressor cannot run and the refrigerator stops cooling completely. There are no user steps to resolve this error and the unit requires a professional repair service.
Common causes
- Compressor relay has malfunctioned or failed
- Electrical fault in the compressor relay circuit
- Compressor has developed a fault causing the relay to register an error
How to fix it
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1
There are no user-serviceable steps for this error
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2
Unplug the refrigerator to prevent further damage to the compressor
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3
Contact a qualified technician to inspect and replace the compressor relay