GE Oven F2 Error Code: Temperature Runaway Fix

Quick Answer

An F2 code on a GE oven indicates an over-temperature fault, usually caused by a failing temperature sensor or a stuck relay on the control board. Start by testing the oven sensor with a multimeter, it should read approximately 1100 ohms at room temperature.

The GE F2 usually pops up right after a self-clean cycle or a long holiday bake. It means the oven actually hit runaway temperature, often because a relay on the control board welded itself shut. Unlike a simple sensor failure, this is a hardware safety trip. If you hear the elements humming even after you turn the oven off, you've got a stuck relay that's literally cooking your control board.

GeOvenSeverity: highDifficulty: intermediate78% DIY Success

Time to Fix

30–90 min

Difficulty

intermediate

Parts Cost

$20 – $280

Tools Needed

Multimeter (ohm mode), Nut driver (1/4")

What Does the F2 Code Mean?

When I see an F2, I immediately check if the oven's still heating with the display off. If the sensor tests fine at 1080 ohms, the control board's almost always the culprit. It's a super common issue on GE ranges where the internal bake relay fails under high heat loads, making the oven a potential fire hazard until you fix it.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Faulty oven temperature sensor (RTD)55%

Stuck or welded relay on the main control board25%

Damaged or shorted wiring harness10%

Control board internal circuit failure10%

Symptoms You May Notice

F2 flashes on the display after the oven overshoots your set temp and won't clear until you kill the breaker.
The oven keeps getting hotter even after you turn it off, and you can feel intense heat radiating through the door glass way above what you actually set.
There's a burning plastic or electrical smell coming from the control panel area, not from food.
The door lock engages on its own during a normal bake cycle, like the oven thinks it's in self-clean mode when it isn't.
F2 shows up immediately after self-clean finishes and the oven won't respond to any button presses at all.

Can you reset a Ge oven to clear the F2 code?

You can clear the display by pressing Clear or Off and flipping the breaker for a minute, but do not walk away from the unit once power is restored. If the F2 returns immediately or the oven starts heating on its own, the relay is permanently stuck. I never recommend using the oven again until you have verified the sensor resistance or replaced the main control board.

Tools Required for Diagnosis

Multimeter (ohm mode)Nut driver (1/4")Phillips screwdriverFlashlightThermal gloves for handling cooled components

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

ComponentComponent Under Test

Expected Range1050–1100 ohms

ConditionIf Open (OL) or infinite, replace component.

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
GE Oven Control BoardWB27T11311 · $150–$280	WB27T11311	$150 – $280
GE RTD Temperature SensorWB21X5243 · $20–$40	WB21X5243	$20 – $40
GE Bake ElementWB44T10011 · $25–$50	WB44T10011	$25 – $50

Frequently Asked Questions

Can I continue using my GE oven after clearing F2?

I'd strongly advise against it. An F2 means the safety limits were actually reached. If the relay's welded, the oven will heat uncontrollably the second you flip the breaker back on. I've seen this melt control knobs and damage kitchen cabinets. Seriously. Get the sensor tested first with a multimeter. If the sensor checks out fine, the board's dangerous and you need to replace it before you cook another meal in that thing.

Why does GE F2 appear most often after a self-clean cycle?

The self-clean cycle is basically the ultimate stress test for your oven. It pushes temps toward 900 degrees, which is way harder on the control board relays than a standard 350 degree bake. Over time, the relay contacts get pitted and worn down. During that intense self-clean heat, they can actually weld together permanently. Once they're welded, the board loses the ability to cut power to the elements, and the oven just keeps cooking itself. That's when F2 fires. I always warn people about this before they run self-clean on any range that's more than 7-8 years old.

What's the part number for the GE oven temperature sensor?

WB21X5243 covers a huge chunk of GE's electric range lineup, including most JB and PB series models. But check your model number on the sticker inside the oven door before you order. I've had customers order that part for a model that actually takes WB21X5344, and the connectors don't match. Takes 2 minutes to verify and saves you a frustrating return shipping situation. Also worth knowing: the sensor's just a resistance device with no polarity, so it's basically impossible to install backwards.

How much does fixing a GE F2 error actually cost?

If it's the sensor, you're looking at $25-40 for the part and maybe an hour of your time. If it's the control board, budget $150-300 for the part depending on your model. I replaced a board on a PB960SJSS last week and the part alone was $220. Add shop labor at $100-150 and you're looking at $350-450 total. For a range that's 10+ years old, that math gets painful fast and replacement starts making more sense. A new GE range runs $600-800 at the low end, so you're basically doing that math yourself.

Can a bad oven door gasket cause an F2 code?

Not directly, no. A worn gasket lets heat escape from the oven cavity, which actually makes the sensor read lower, not higher. The oven works harder to maintain temperature but it doesn't typically trigger F2 from a bad gasket alone. Where it matters is during self-clean. If the gasket isn't sealing right, the door lock mechanism can act up, and a failed door lock sequence during self-clean can sometimes cascade into a control board issue. But a plain worn gasket by itself isn't going to give you an F2.

Related Ge Oven Error Codes

Code: HUBGE Oven Error Codes: Complete F-Code and Fault Reference Code: F3GE Oven F3 Error Code: Open Temperature Sensor Circuit Code: F20GE Oven F20 Error Code: Shorted Temperature Sensor

Models Known to Experience F2 Errors

This repair applies to most Ge ovens with this error code. Common model numbers include:

JB735SPSS, JB645RKSS, JGS760SELSS, JB750SJSS, PB960SJSS, JB258DMWW, JB655SKSS, JGBS66REKSS

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 14, 2026