LG Cooktop Codes F33 and F34: Front Induction Burner Sensor
F33 and F34 appear on LG induction cooktops and ranges with an induction cooktop section. Each one reads Front Induction Burner Temperature Sensor Error, as two separate entries with the same wording. Because the message names…
- Code
- F33, F34
- Appliance
- Cooktop
- Brand
- LG
- Warranty
- 30-day workmanship
What F33, F34 means
F33 and F34 appear on LG induction cooktops and ranges with an induction cooktop section. Each one reads Front Induction Burner Temperature Sensor Error, as two separate entries with the same wording. Because the message names an induction burner, it applies to induction models only. The owner sees F33 or F34, and the front induction burner may refuse to heat or may shut off while the other burners keep working.
Common causes of F33, F34
- Front burner temperature sensor reading out of range
- Sensor wiring or connector
- Induction control board input for that burner
1. Let the cooktop cool and clear the glass. 2. Turn the cooktop's circuit breaker off for 30 seconds, then restore it. 3. Try the front burner with a flat-bottom induction-ready pan. 4. If the code appears again, stop using that burner and arrange service.
- If the code returns after the breaker reset, we test the front burner sensor and its connection.
- We check the sensor reading with the cooktop cold before running it.
- We quote any repair in writing first.
Other Cooktop codes
Do F33 and F34 mean the same thing?
They are two entries with the same wording, Front Induction Burner Temperature Sensor Error. Which one shows may relate to the sensor circuit, but both point to the front burner.
Will my radiant cooktop show these?
The message names an induction burner, so these codes are meant for induction models only. A radiant cooktop would show a different entry from the error list instead.
Can I cook on the other burners?
If only the front burner reports the error, the others may still work. We still recommend having it checked, since an unread sensor affects how that burner is controlled.
Still seeing F33, F34?
A technician diagnoses it on site and gives you the price in writing before any work starts.