Stove High Severity
F31 Appliance Error Code

Bosch Stove F31 Error: Oven Sensor Failure

What Does Bosch Stove Error Code F31 Mean? Error code F31 means the oven temperature sensor is failing. The oven can’t accurately control temperature. Use a thermometer to verify — if more than 25°F off, the sensor needs replacement by a professional.

Quick Assessment

Answer to continue safely

Is it safe to keep using?

No. Inaccurate temperature means food safety risk and potential overheating.

Can I reset the code?

No. Sensor hardware must be replaced.

When to stop immediately?

Stop if you notice: Temperature is significantly wrong, Food burns consistently.

Symptoms You May Notice

Oven can't read temperature

The display doesn't show temperature or shows a fixed value that doesn't change.

Food overcooks or undercooks

Actual oven temperature doesn't match the setting.

Possible Causes

1

Failed sensor

The temperature sensing element has failed.

Requires Professional

Safe Checks You Can Do

These checks are safe for homeowners. No disassembly required. Do not remove panels or access internal components.
  1. 1

    Verify with thermometer

    Place an oven thermometer inside and compare with the display.

    A 25°F+ difference confirms sensor failure.

    Tools required

When to Call a Professional

Contact a qualified technician if:

  • Sensor resistance wrong
  • Calibration drift beyond adjustment range

Need Professional Help?

Find qualified technicians in your area for proper diagnostics and repair.

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