Likely Causes
A drifting temperature sensor
A drifting temperature sensor. This is one of the more frequent reasons homeowners in our service area call about this exact symptom.
A miscalibrated thermostat
A miscalibrated thermostat. This is one of the more frequent reasons homeowners in our service area call about this exact symptom.
A failing convection fan motor (on convection ovens)
A failing convection fan motor (on convection ovens). This is one of the more frequent reasons homeowners in our service area call about this exact symptom.
Safe Checks You Can Try First
- Verify oven temperature with a separate oven thermometer against the display
- Avoid opening the door frequently mid-bake, which affects temperature stability
- Check that the convection fan (if equipped) is running during the bake cycle
When to Call a Technician
A consistent 25°F+ difference from the thermometer reading usually means the sensor needs replacement.
Frequently Asked Questions
No — most cases like this are a specific, repairable part failure rather than a sign the whole unit needs replacing. A technician can tell you the realistic cost-versus-replace comparison on the spot.
The checks above are safe to try yourself. Beyond that, appliance repair involves electrical, gas, or refrigerant systems that are best left to a trained technician.