F2
Dacor
Oven over-temperature condition
Dacor oven shows F2 during or after a bake cycle; oven may overheat or shut down
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed oven temperature sensor reading too low, Stuck closed bake or broil relay on ERC, Shorted wiring causing constant power to heating element, Poor airflow around oven causing heat buildup at sensor
How to Fix / Troubleshooting
Safety first: Turn OFF the breaker and allow the oven to cool completely before inspection. Over-temperature faults can indicate a fire risk.
- Visual check: Inspect the oven cavity for foil covering racks, blocked vents, or oversized cookware that may trap heat. Remove obstructions and avoid covering vents in future use.
- Check temperature sensor: With power OFF, access the oven temperature sensor at the back wall of the cavity. Disconnect and measure resistance at room temperature (about 1080–1100 Ω). If out of spec, replace the sensor.
- Inspect element relays: With the rear panel removed, visually inspect the ERC and relay board (if separate) for burned or welded relay contacts. If a relay is stuck closed, the element may stay on even when off. Replace the ERC or relay board.
- Check heating elements: Inspect bake and broil elements for shorts to chassis (burn marks, arcing). Test with a meter for continuity to ground. Replace any element that is shorted or deformed.
- Test operation: After replacing faulty parts, run the oven at 350°F and monitor temperature with an oven thermometer. If F2 does not return and temperature is stable, the repair is successful.
Call a professional if you suspect a stuck relay or cannot safely test live circuits.
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Repair Difficulty
Hard
4/5
Required Part
Oven Temperature Sensor
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