Written by
Maya Chen Editorial TeamPublished September 5, 2026Updated October 20, 2026
Error code33
ApplianceRefrigerator
Quick answer
A 33 error on an LG refrigerator means a problem with the compressor relay and calls for service.
Model compatibility: LG reuses codes across series and model years, so 33 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Compressor relay problem.
33 on the display
When an LG refrigerator shows 33, LG describes it as a problem with the compressor relay.
What the owner can do
Nothing is listed. The refrigerator will require a repair service, since LG gives no troubleshooting steps for this code.
Which units
LG refrigerators.
Related codes
22 carries the same meaning, a compressor relay problem.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your LG appliance?
Book a specialist visit for a clear estimate and approval before any repair.
