Written by
Marcus Lindqvist Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeF33 error
ApplianceRange
What F33 reports
The range control has detected a front induction burner temperature sensor error. LG shows the code for ranges and ovens.
Owner reset in three steps
At the breaker panel, switch off the breaker serving the unit.
Wait out 30 seconds.
Switch the breaker on again.
If the display does not clear
A fault that stays, or steps you cannot carry out, call for service according to the manual. Leave the cabinet closed and the internal wiring untouched.
Codes close to F33
F34 is the same front induction burner temperature sensor error.
F38 covers the main board and inverter communication error.
Induction range repair in San Francisco
Our Bay Area team takes LG range calls at (415) 223-7887. Be ready to say that F33 is on the display, to read the model number, and to describe the breaker reset. See LG range and oven repair for more.
Model compatibility: LG reuses codes across series and model years, so F33 error 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 is a front induction burner temperature sensor error.
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.
You submit a request with your appliance model and symptom, we confirm an appointment window, and a technician performs an on-site diagnosis. You then receive a clear estimate and decide whether to proceed before any repair begins.
Yes. We provide an upfront estimate after diagnosis. No parts are ordered or installed until you approve the work, so there are no surprise charges.
Replacement parts are selected for the exact model and confirmed with you before ordering or installation.
Service areas are listed on the Locations page. Contact us with your ZIP code to confirm current coverage for your address.
Ready to get your LG appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
