--- title: "LG induction range showing F33 or F34 | RangeRepair.center" description: "What F33 means on LG induction ranges, what to check before booking, and when it is not a failure at all." url: "https://rangerepair.center/error-codes/lg-f33/" --- # LG induction range showing F33 LG lists F33 and F34 as front induction burner temperature sensor errors. ## What F33 actually means. LG lists F33 and F34 as front induction burner temperature sensor errors. Each zone has a sensor under the glass that protects the pan and the glass from overheating. LG range display · also shown as F34 What to do when F33 shows on the range ### Kind of code Surface elements and induction A radiant element, a coil or an induction zone did not heat the way the control expected, or ran hotter than it should. The pan, the switch behind the knob and the wiring to the element come first; on induction, the power board and the coil under the glass are checked next. A zone that will not switch off, or a crack in the glass, means the breaker goes off before anything else. ### Usually leads to Surface element and glass top repair Electric zones that stay cold, run too hot or will not switch off, and cracked or damaged glass on radiant and induction models. ### Shows up as Range Surface Element Not Heating One coil or glass-top zone on an electric range stays cold, heats only weakly, or will not respond while the others work. ### Make LG A Korean electronics group selling freestanding and slide-in ranges on gas, electric and induction, many with Wi-Fi. ### Source LG Help Library "LG Range - Error Codes List" (Wayback copy, 23 Jun 2025) Induction ranges only. Source for F33: LG's archived Help Library range list, which does not tie codes to models. ## Before you book, in this order. Each step comes from LG's own guidance for F33 on its ranges. Follow it to the end: the last card says whether this is a visit. 01 Switch the breaker off, wait 30 seconds and restore power to clear F33. 02 Let the glass cool fully before using that zone again. 03 Book a visit if F33 or F34 returns. ### Still there? It usually turns into [surface element and glass top repair](https://rangerepair.center/services/surface-element-and-glass-top-repair/). Book with the code and the model number. ### What not to do F33 is not a pan-detection problem; it is about the sensor under the zone. ## What you may notice with it. The range problems F33 tends to arrive with. Answer these at the range before anyone is booked. [All problems](https://rangerepair.center/problems/) Before you call ### [Range Surface Element Not Heating](https://rangerepair.center/problems/surface-element-not-heating/) [All 6 causes, cheapest first](https://rangerepair.center/problems/surface-element-not-heating/) It also comes with - [**Range Error Code**](https://rangerepair.center/problems/range-error-code/) Problem ### Range Surface Element Not Heating 6 causes, cheapest first Where F33 usually leads ## Surface element and glass top repair. **Surface element, switch or glass top · low to moderate.** Book a visit [What the job involves](https://rangerepair.center/services/surface-element-and-glass-top-repair/) ## LG ranges. A Korean electronics group selling freestanding and slide-in ranges on gas, electric and induction, many with Wi-Fi. [LG range repair](https://rangerepair.center/brands/lg/) More LG codes [F1](https://rangerepair.center/error-codes/lg-f1/) [F4](https://rangerepair.center/error-codes/lg-f4/) [F9](https://rangerepair.center/error-codes/lg-f9/) [F10](https://rangerepair.center/error-codes/lg-f10/) [F3](https://rangerepair.center/error-codes/lg-f3/) [F11](https://rangerepair.center/error-codes/lg-f11/) [F17](https://rangerepair.center/error-codes/lg-f17/) [F27](https://rangerepair.center/error-codes/lg-f27/) [F42](https://rangerepair.center/error-codes/lg-f42/) [F51](https://rangerepair.center/error-codes/lg-f51/) [HS](https://rangerepair.center/error-codes/lg-hs/) [PF](https://rangerepair.center/error-codes/lg-pf/) [All 14 LG codes](https://rangerepair.center/error-codes/#codes-lg) Surface elements and induction on other makes [AGA E2](https://rangerepair.center/error-codes/aga-e2/) [BlueStar E2](https://rangerepair.center/error-codes/bluestar-induction-e2/) [Bosch F1](https://rangerepair.center/error-codes/bosch-f1/) [Café Flashing ON indicator](https://rangerepair.center/error-codes/cafe-on-indicator-flash/) [Electrolux F40](https://rangerepair.center/error-codes/electrolux-f40/) [Frigidaire F40](https://rangerepair.center/error-codes/frigidaire-f40/) [GE Profile Flashing power setting](https://rangerepair.center/error-codes/ge-profile-flashing-power/) [Hestan E2](https://rangerepair.center/error-codes/hestan-induction-e2/) [All 37 codes of this kind](https://rangerepair.center/error-codes/#family-surface) LG builds this ### Gas range Open flames on top and a gas-fired oven below, all fed by one supply line behind the range and lit by igniters rather than a match. LG builds this ### Electric range Coil elements or radiant elements under a smooth glass top, with an electric oven below, all running on a dedicated 240-volt circuit. LG builds this ### Dual-fuel range Gas burners on top and an electric oven below, the combination most professional-style ranges use, needing both a gas line and a 240-volt circuit. ## In LG's own words > F33 indicates a Front Induction Burner Temperature Sensor Error. [LG Help Library "LG Range - Error Codes List" (Wayback copy, 23 Jun 2025)](https://web.archive.org/web/20250623055649/https://www.lg.com/us/support/help-library/lg-range-error-codes-list--20150154166283) [LG Help Library "LG Range - Error Codes List" (Wayback copy, 23 Jun 2025)](https://web.archive.org/web/20250623055649/https://www.lg.com/us/support/help-library/lg-range-error-codes-list--20150154166283) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Induction ranges only. Source for F33: LG's archived Help Library range list, which does not tie codes to models. ## LG F33 range repair, where we come out. The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered. 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Switch the breaker off, wait 30 seconds and restore power to clear F33. If it comes back, it needs a visit. ### Can I still use the rear zones on my LG induction range with F33? LG does not say the other zones are disabled. If they work normally, use them, but have the front sensor checked. ### Did cooking with an empty pan cause F33 on my LG induction range? Overheating a zone can stress its sensor, but LG only names the sensor. A technician checks whether the sensor or its connection is the cause. --- **[Read on the site: LG induction range showing F33 or F34 | RangeRepair.center](https://rangerepair.center/error-codes/lg-f33/)** **[Book a visit with RangeRepair.center](https://rangerepair.center/schedule/)**