Written by
Maya Chen Editorial TeamPublished October 20, 2026
Error codeF33
ApplianceRange
Quick answer
LG lists F33 as a front induction burner temperature sensor error. The manual asks for a circuit breaker reset of 30 seconds.
Model compatibility: LG reuses codes across series and model years, so F33 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
F33 means a front induction burner temperature sensor error on LG ranges and ovens.
An F33 message on an LG range tells you the unit has detected a front induction burner temperature sensor error.
Reset steps
Go to the breaker panel and turn the unit’s breaker off.
Count out 30 seconds.
Flip the breaker back to on.
Models covered
It is listed for LG ranges and ovens.
If F33 stays
If the problem continues, or if you cannot carry out the steps, the manual says the unit needs service. Do not open the cabinet or touch internal wiring.
Related codes
F34 reports a front induction burner temperature sensor error instead.
For LG range and oven service in Los Angeles, phone (310) 742-8008. More about LG range repair is on the service page. Mention that the display shows F33 and give the model number.
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.