F31
Café
Oven Sensor Calibration / Out-of-Range Fault
Oven may not heat correctly, F31 error appears intermittently
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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
Aging oven temperature sensor, poor sensor connection at control board, control board miscalibration
How to Fix / Troubleshooting
Safety first: Turn off power at the breaker before testing components.
- Check sensor resistance: Remove and test the oven temperature sensor at room temperature (~1080 Ω at 70°F). If it is significantly off, replace it.
- Inspect connector: Clean and reseat the sensor connector at the control board. Light corrosion can cause intermittent readings.
- Calibrate oven: Many Café ranges allow temperature calibration in the settings menu (e.g., +/- 35°F). Use an accurate oven thermometer and adjust if the oven is consistently off but no hardware fault is found.
- Replace control: If the sensor is good and calibration does not hold, replace the electronic range control (ERC).
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Repair Difficulty
Medium
3/5
Required Part
Oven Temperature Sensor (RTD)
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