GE Oven F3 or F4 Code: Oven Sensor
Updated
Short answer
What F3, F4 means
In GE's words, condensed: the oven sensor usually needs to be replaced (GE Appliances).
What GE says to try
- Turn the oven off.
- Check the sensor probe inside the oven is in place and not bent against an element; Whirlpool notes a sensor out of position reads wrong.
Unplug the appliance or switch off its breaker before reaching into any part of it. Codes and steps vary by model, so check your manual too.
If the code comes back
GE says these codes usually mean the sensor needs replacing. An oven sensor runs about $175 installed. (Angi, oven repair cost (updated Sep 11, 2026))
Related
All GE codes on one page: GE appliance repair. The appliance: oven repair. This site is independent and not affiliated with or authorized by GE; if the appliance is under warranty, contact GE first.
Quick answers
What does F3, F4 mean on a GE range or wall oven?
GE says it means the oven sensor usually needs to be replaced.
How do I clear F3, F4?
GE's steps: Turn the oven off. Check the sensor probe inside the oven is in place and not bent against an element; Whirlpool notes a sensor out of position reads wrong.
What does it cost if F3, F4 keeps coming back?
GE says these codes usually mean the sensor needs replacing. An oven sensor runs about $175 installed.
Rather have someone fix it?
Tell us the appliance, the brand, the model number and what it is doing. A local technician calls back with a time and a price before any work starts.