F2
Danby
Oven Over-Temperature or Stuck Relay
Oven displays F2 and may beep; oven may overheat or shut down during a bake or broil cycle.
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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 (RTD), Stuck bake or broil relay on control board, Poor airflow around built-in oven causing overheating
How to Fix / Troubleshooting
Safety First: Turn off power at the breaker immediately if the oven is overheating or will not shut off.
- Allow to cool: Let the oven cool completely before inspection.
- Check temperature sensor: Locate the oven temperature sensor probe inside the cavity (usually on the rear wall). Remove the mounting screws and gently pull the sensor forward to access the connector. With power OFF, disconnect and measure resistance with a multimeter; at room temperature it should be around 1000–1100 Ω. Replace if open, shorted, or far out of range.
- Inspect wiring: Check the sensor harness from the probe to the control board for pinched, burnt, or broken wires. Repair or replace damaged wiring.
- Control board relay: If the sensor tests good but the oven overheats or F2 persists, the bake or broil relay on the electronic oven control may be stuck closed. Replace the control board.
- Ventilation: For built-in Danby wall ovens, verify that cabinet cutout dimensions and ventilation clearances match the installation manual to prevent overheating.
If the oven continues to heat uncontrollably, leave power off and call a technician.
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Repair Difficulty
Hard
4/5
Required Part
Oven Temperature Sensor
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