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Oven bakes unevenly or food is consistently undercooked on one side due to inaccurate temperature readings from a failing sensor.
Oven reaches set temperature then falls significantly (e.g., from 350°F down to 225°F) as the defective sensor sends incorrect signals to the control board.
Oven overshoots the set temperature and overheats, scorching food, caused by a sensor that reads lower than actual oven temperature.
Control board displays E-28 or similar error codes indicating a shorted or open-circuit temperature sensor that must be replaced.
Oven gets stuck at ~150°F and will not climb to set temperature on bake or convection modes, while broil may still function normally.
💡 Pro Tip: How to Know If Your Oven Temperature Sensor Is Bad
Your part is likely the culprit if you notice any of the following:
⚠️ Oven heats unevenly or baked goods are consistently undercooked or burnt
⚠️ Oven temperature drops significantly after reaching the set point (e.g., set 350°F but falls to 225°F during cooking)
⚠️ Oven displays error codes such as E-28 indicating a shorted or open sensor circuit
⚠️ Oven stuck at a low temperature (e.g., 150°F) or overheats beyond the set temperature
🔬 DIY Test: Unplug the range. Remove the sensor and measure resistance across the connector pins with a multimeter. A healthy sensor reads approximately 1080–1100 Ω at room temperature. If reading is open (OL) or drastically off, replace the sensor. Resistance should increase ~2 Ω for every 1°F of temperature rise.
📦 What's in the Box
✅ 1× Oven Temperature Sensor / Thermistor (PT1000, 3.9" probe, 3.2" harness, 1.7" bracket, with mounting screw)
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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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