LG Range Error Code F33/F34 — Induction Burner Temperature Sensor Error
What this means
Error codes F33 and F34 indicate a temperature sensor error on a front induction burner. These codes only appear on LG induction ranges. The sensor monitors the glass surface temperature and the pan temperature to prevent overheating. An open or shorted sensor will disable the affected burner for safety.
Alternate codes: F34
Step-by-step fix
2 stepsReset the range
Turn off the circuit breaker for 30 seconds, then restore power.
Check the cooking surface
Ensure the glass cooktop surface is clean and dry. Spills or moisture between the pan and the glass can affect temperature readings.
When to call a professional
Induction burner sensor replacement requires specialized knowledge and access to the underside of the cooktop. Professional service is recommended.
Related error codes
Information compiled from manufacturer service manuals, official troubleshooting documentation, and appliance repair industry resources. This guide is for informational purposes only — always consult a qualified technician for complex repairs.
Learn more about our sourcesParts you may need
Induction Burner Temperature Sensor
Part #Varies by model · $20–$50
If the sensor has failed
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