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Thermistor sends incorrect temperature readings to the control board, causing the heating element to cycle improperly and extending drying time significantly.
A faulty thermistor may signal a false high temperature, causing the control board to cut heat or end the cycle before clothes are fully dry.
If the thermistor reads falsely low temperatures, the dryer may continue running past the normal end-of-cycle point, wasting energy.
A failed or open-circuit thermistor triggers error codes on the control panel (e.g., F4/E4, E1) that prevent the dryer from starting or completing a cycle.
Without accurate thermistor feedback, the control board cannot regulate the heating element, potentially causing the dryer to run dangerously hot and trip the thermal fuse.
Selected heat levels (Low / Medium / High) do not correspond to actual drum temperatures, resulting in heat-sensitive fabrics being damaged or clothes remaining damp.
💡 Pro Tip: How to Diagnose a Bad Dryer Thermistor
Your part is likely the culprit if you notice any of the following:
⚠️ Dryer takes too long to dry — cycle runs but clothes remain damp
⚠️ Dryer shuts off too soon or won't stop running (cycle won't end)
⚠️ Error / fault codes on the control panel (e.g., F4/E4, E1)
⚠️ Dryer overheats or underheats — inaccurate temperature selection
🔬 Test with a multimeter set to Ohms: at room temperature (~70 °F / 21 °C) the thermistor should read approximately 10,000–11,900 Ω. As you apply heat (use a hair dryer), resistance should decrease steadily. If resistance stays flat or reads open circuit, replace the thermistor. Note: a bad thermistor alone will NOT cause a complete no-heat condition — also check the thermal fuse and heating element.
📦 What's in the Box
✅ 1× Dryer Thermistor (2″L × 1-3/8″W × 1″H, metal/plastic, matte white)
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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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