LG Refrigerator 33 error
Error33
33 is identified by LG support as compressor-relay problem. Follow the official, model-scoped checks and service boundary below.
What the code means
compressor-relay problem
Isolate the appliance when safe. Keep the refrigerator operating only if it is otherwise safe, do not test the relay, and contact LG repair service for diagnosis. Do not open fixed panels or test live circuits.
Typical symptoms
0133 appears on the refrigerator display
02The affected refrigerator function may stop, pause, or behave abnormally
03The code returns when the same model-specific condition is present again
Likely causes
Start with the least invasive explanation and stop if the check requires internal electrical or sealed-system access.
01compressor-relay problem
02A model-specific condition must be confirmed against the exact manufacturer instructions
Safe next steps
- 1Record the complete 33 display and the full LG refrigerator model
- 2Confirm that the displayed code matches the linked official LG source
- 3Keep the refrigerator operating only if it is otherwise safe, do not test the relay, and contact LG repair service for diagnosis.
- 4Stop and arrange model-specific service if 33 returns
Step-by-step repair
- 1Keep the refrigerator operating only if it is otherwise safe, do not test the relay, and contact LG repair service for diagnosis. No internal component replacement is verified from 33 alone.
Repair details
€Estimated cost
The published checks normally need no replacement part. Internal repair cost is model- and region-specific; obtain a written LG service quote after diagnosis.
The published checks normally need no replacement part. Internal repair cost is model- and region-specific; obtain a written LG service quote after diagnosis.
⏱Estimated time
External checks take about 5–30 minutes; professional diagnosis and repair time depend on the exact model.
External checks take about 5–30 minutes; professional diagnosis and repair time depend on the exact model.
🔧Tools
Exact LG model number and official manual, No internal electrical test tool is permitted
Exact LG model number and official manual, No internal electrical test tool is permitted
▣Spare parts
No replacement part is confirmed by 33 alone. Confirm the exact model, failed component, and manufacturer part number before ordering.
No replacement part is confirmed by 33 alone. Confirm the exact model, failed component, and manufacturer part number before ordering.
What not to do
- Do not open fixed panels, test live electrical or sealed-system parts, bypass safety devices, or order a component solely from 33.
Preventive maintenance
- 1Keep door seals, vents, condenser areas, and water connections accessible and follow the exact model maintenance schedule.
Frequently asked questions
What does 33 mean?
LG identifies it as compressor-relay problem.
Can I replace a part from the code alone?
No. Confirm the exact model and manufacturer diagnosis first.
Did this fix your appliance?
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