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The oven runs but consistently fails to reach or maintain the selected temperature, resulting in undercooked or overcooked food. A failed sensor sends incorrect readings to the control board.
The control panel displays an F31 fault code, indicating the control board is receiving an out-of-range or open-circuit signal from the oven temperature sensor probe.
The oven exceeds the set temperature significantly, scorching food. A shorted sensor probe can cause the control board to under-compensate, driving the heating elements on too long.
Temperature fluctuates unpredictably during a bake or roast cycle. An intermittently failing sensor sends inconsistent resistance readings, causing the control board to cycle heat erratically.
The oven fails to start a heating cycle altogether. When the sensor reads an extreme open or short, many control boards will refuse to energize the bake or broil element as a safety measure.
💡 Pro Tip: Is Your Oven Temperature Sensor the Problem?
Your part is likely the culprit if you notice any of the following:
⚠️ Oven will not heat to the set temperature — food consistently undercooked or overcooked
⚠️ F31 error code displayed on the control panel
⚠️ Oven overheats well beyond the selected temperature
⚠️ Temperature cannot be adjusted properly or fluctuates erratically during cooking
🔍 Diagnostic tip: Set your multimeter to the resistance (Ω) setting and probe the sensor terminals. At room temperature (~70 °F / 21 °C) a healthy sensor reads approximately 1,100 Ω. A reading significantly higher, lower, or open-circuit confirms the sensor is faulty and needs replacement.
📦 What's in the Box
✅ 1× Oven Temperature Sensor Probe 316233902 (with wire leads)
We typically respond within 1 business day. Include your appliance model number for the fastest answer.
Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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