F3-1
Maytag
Upper oven temperature sensor open (double oven models)
F3-1 error, oven will not heat or shuts off, temperature reading may be inaccurate
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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
Open upper oven sensor, broken sensor wiring, loose connector at EOC, failed EOC sensor circuit
How to Fix / Troubleshooting
Safety First: Disconnect power before accessing the oven cavity or rear panel.
- Identify upper sensor: On double ovens, the upper cavity has its own sensor on the back wall. Remove mounting screws and gently pull sensor forward.
- Test resistance: Unplug the sensor and measure resistance at room temperature. Expect ~1050–1100 Ω. Infinite resistance indicates an open sensor.
- Check harness: Inspect the wiring from the sensor to the control board for breaks or burnt spots. Verify connectors are fully seated at the EOC.
- Replace sensor: If the sensor is open or out of spec, replace the upper oven temperature sensor. If wiring and sensor are good, replace the EOC.
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Repair Difficulty
Medium
3/5
Required Part
Upper Oven Temperature Sensor
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