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Dryer runs and tumbles normally but produces no heat — faulty cycling thermostat fails to close the heating circuit.
Drum gets dangerously hot; thermostat stuck closed keeps heating element on continuously without cycling off.
Thermostat cycling too early causes insufficient heat, greatly extending drying time per load.
Dryer stops mid-cycle before clothes are dry because the thermostat incorrectly signals high temperature.
On timer-controlled models, incorrect thermal signals from a faulty thermostat can prevent the timer from advancing.
Thermostat fails to signal end-of-cycle temperature, causing the dryer to keep running past the set time.
💡 Pro Tip: Is Your Cycling Thermostat the Problem?
Your part is likely the culprit if you notice any of the following:
⚠️ Dryer runs but produces no heat or very little heat
⚠️ Drum gets excessively hot and clothes come out scorched
⚠️ Dryer takes much longer than normal to dry a load
⚠️ Dryer shuts off too soon before clothes are dry
🔍 Technician tip: Set your multimeter to the continuity/resistance mode and probe the two large terminals at room temperature — you should read near-zero resistance (continuity). An open reading confirms a failed thermostat. Always clear and inspect the exhaust vent path first, as restricted airflow is the #1 cause of thermostat failure.
📦 What's in the Box
✅ 1× WE4M181 Cycling Thermostat, 4-Wire, L210-30F, with internal bias heater
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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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