Affected model seriesrange and wall-oven common-code family
Quick answer
Oven temperature exceeded allowed threshold.
Model compatibility: GE reuses codes across series and model years, so F20 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Oven temperature exceeded allowed threshold.
Signs
Symptoms you may notice
The oven may overshoot the set temperature.
The door may remain locked until temperature falls on some models.
The code can appear during preheat, bake, broil, or self-clean.
Heating may be disabled after the fault is detected.
Why it happens
Possible causes
A damaged harness/connector in the temperature-control circuit.
An oven-temperature sensor or sensor circuit that is reading incorrectly.
An actual overtemperature condition that must be resolved before the oven is used again.
A relay/control fault that leaves a heating element energized too long.
A cooling-airflow problem that allows electronics or cavity temperature to rise abnormally.
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
Do not force a locked door while the cavity is hot.
Turn the oven off and let it cool fully before attempting another cycle.
If the oven continues heating abnormally or the code returns quickly, disconnect power and arrange service.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your GE appliance?
Book a specialist visit for a clear estimate and approval before any repair.
You submit a request with your appliance model and symptom, we confirm an appointment window, and a technician performs an on-site diagnosis. You then receive a clear estimate and decide whether to proceed before any repair begins.
Yes. We provide an upfront estimate after diagnosis. No parts are ordered or installed until you approve the work, so there are no surprise charges.
Replacement parts are selected for the exact model and confirmed with you before ordering or installation.
Service areas are listed on the Locations page. Contact us with your ZIP code to confirm current coverage for your address.
Ready to get your GE appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
