---
title: "LG stove shows F1 or F2 on the display | StoveRepair.center"
description: "What F1 means on LG stove shows F1 or F2 on the displays, what to check before booking, and when it is not a failure at all."
url: "https://stoverepair.center/error-codes/lg-f1/"
---

# LG stove shows F1 or F2 on the display

LG lists both F1 and F2 as an upper oven thermistor error.

## What F1 actually means.

LG lists both F1 and F2 as an upper oven thermistor error. The thermistor is the probe on the oven's back wall that tells the control how hot it is; on a single-oven LG it is simply the oven sensor. Without a believable reading, the oven stops heating.

LG stove display · also shown as F2

What to do when F1 shows on the stove

### Kind of code Temperature sensor

The thin probe on the back wall of the oven sent the stove a reading it would not trust, or one that kept climbing past the setting. A loose plug behind the stove or a probe knocked against the racks is ruled out before the sensor or the board is replaced. If the oven keeps getting hotter with the controls turned off, switch the stove off at its breaker first.

### Usually leads to Stove oven heating repair

The oven part of a stove that stays cold, heats slowly or bakes too hot or too cool, fixed at the bake and broil elements, the oven igniter, the gas valve or the temperature sensor.

### Shows up as Oven on My Stove Won't Heat Up

The burners on top work, but the oven underneath stays cold, heats only a little, or never reaches the temperature you set.

### Make LG

The Korean electronics maker whose freestanding and slide-in stoves often come with app controls.

### Source LG Help Library: range error codes list (Wayback, 23 Jun 2025)

For F1, the source is this: LG's Help Library code list (Wayback copy of 23 June 2025); the list names no models, so the rating label decides whether your stove can show it.

## Before you book, in this order.

Each step comes from LG's own guidance for F1 on its stoves. Follow it to the end: the last card says whether this is a visit.

01

Press CLEAR/OFF and start the same function again.

02

When F1 or F2 reappears, cut the stove's breaker for 30 seconds before turning it on again.

03

When the code keeps coming back, book a visit so the sensor can be metered both cold and warm.

### Still there?

It usually turns into [stove oven heating repair](https://stoverepair.center/services/stove-oven-heating-repair/). Book with the code and the model number.

### What not to do

F1 is not LG's code for an oven that simply bakes a little hot or cool. A calibration drift shows no code at all, while F1 means the reading is out of bounds.

## What you may notice with it.

The stove problems F1 tends to arrive with. Answer these at the stove before anyone is booked.

[All problems](https://stoverepair.center/problems/)

Before you call

### [Oven on My Stove Won't Heat Up](https://stoverepair.center/problems/stove-oven-not-heating/)

[All 6 causes, cheapest first](https://stoverepair.center/problems/stove-oven-not-heating/)

It also comes with

- [**Oven on My Stove Runs Hot or Cold**](https://stoverepair.center/problems/stove-oven-temperature-off/)
- [**Stove Error Code**](https://stoverepair.center/problems/stove-error-code/)

Problem

### Oven on My Stove Won't Heat Up

6 causes, cheapest first

Where F1 usually leads

## Stove oven heating repair.

**Oven element, igniter, gas valve or sensor · low to moderate.**

Book a visit [What the job involves](https://stoverepair.center/services/stove-oven-heating-repair/)

## LG stoves.

The Korean electronics maker whose freestanding and slide-in stoves often come with app controls.

[LG stove repair](https://stoverepair.center/brands/lg/)

More LG codes

[F4](https://stoverepair.center/error-codes/lg-f4/) [F3](https://stoverepair.center/error-codes/lg-f3/) [F9](https://stoverepair.center/error-codes/lg-f9/) [F10](https://stoverepair.center/error-codes/lg-f10/) [F11](https://stoverepair.center/error-codes/lg-f11/) [F17](https://stoverepair.center/error-codes/lg-f17/) [F27](https://stoverepair.center/error-codes/lg-f27/) [F33](https://stoverepair.center/error-codes/lg-f33/) [F42](https://stoverepair.center/error-codes/lg-f42/) [F8](https://stoverepair.center/error-codes/lg-f8/) [F51](https://stoverepair.center/error-codes/lg-f51/) [HS](https://stoverepair.center/error-codes/lg-hs/)

[All 15 LG codes](https://stoverepair.center/error-codes/#codes-lg)

Temperature sensor on other makes

[AGA 007](https://stoverepair.center/error-codes/aga-007/) [BlueStar F40](https://stoverepair.center/error-codes/bluestar-f40/) [Bosch e101](https://stoverepair.center/error-codes/bosch-e101/) [Café FD](https://stoverepair.center/error-codes/cafe-fd/) [Dacor C-20](https://stoverepair.center/error-codes/dacor-c-20/) [Electrolux F30](https://stoverepair.center/error-codes/electrolux-f30/) [Frigidaire F30](https://stoverepair.center/error-codes/frigidaire-f30/) [GE Profile F4](https://stoverepair.center/error-codes/ge-profile-f4/)

[All 32 codes of this kind](https://stoverepair.center/error-codes/#family-sensor)

LG builds this

### Gas stove

A stove with gas burners on top, whether its oven below runs on gas too or on electricity, fed by one gas line behind it and plugged into a wall outlet for the spark.

LG builds this

### Electric stove

A stove that runs entirely on electricity through a heavy cord and a large outlet behind it, with coil burners that lift out or a smooth glass stovetop with elements under it.

LG builds this

### Induction stove

A stove with a flat glass top that heats the pan itself through a magnetic field, run by touch keys and power boards, with an electric oven underneath.

## In LG's own words

> F1 indicates an Upper Oven Thermistor Error

[LG Help Library: range error codes list (Wayback, 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: range error codes list (Wayback, 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: range error codes list (Wayback, 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. For F1, the source is this: LG's Help Library code list (Wayback copy of 23 June 2025); the list names no models, so the rating label decides whether your stove can show it.

## LG F1 stove 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.

[All service areas](https://stoverepair.center/locations/)

[Tampa Bay](https://stoverepair.center/locations/tampa-bay/) FL · 31 areas

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[Chicago](https://stoverepair.center/locations/chicagoland/) IL · 50 areas

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For the heart of your home.

## Questions about F1.

### Can I clear F1 myself?

Press CLEAR/OFF and start the same function again. If it comes back, it needs a visit.

### My LG stove has only one oven. Why does F1 say upper oven?

LG's list uses one wording for all its stoves. On a single-oven model, F1 points at the one oven sensor.

### Can I use the LG burners while F1 is showing?

The code concerns the oven sensor, so the top usually keeps working. Use it with care and leave the oven off until it is checked.

### F2 on my LG went away after a reset. Should I still book a visit?

If the oven now bakes normally, you can wait and watch. If F2 returns, the sensor or its wiring needs testing.

---

**[Read on the site: LG stove shows F1 or F2 on the display | StoveRepair.center](https://stoverepair.center/error-codes/lg-f1/)**

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