F31
GE
Upper oven temperature sensor circuit fault
GE oven shows F31, often associated with upper oven on double units
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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 upper oven temperature sensor, Damaged upper sensor harness, Loose connector at control board
How to Fix / Troubleshooting
Safety first: Disconnect power before servicing.
- Access upper sensor: Locate the upper cavity sensor and remove its mounting screws.
- Measure resistance: Disconnect and test the sensor (~1080 Ω at room temperature). Replace if open, shorted, or out of range.
- Inspect wiring: Follow the harness to the control board, checking for pinched or burned sections. Repair or replace as needed.
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Repair Difficulty
Medium
3/5
Required Part
Upper Oven Temperature Sensor (RTD)
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