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Dryer is completely dead — pressing Start does nothing. A blown thermal fuse breaks the circuit and prevents the motor from receiving power.
Drum spins normally but no warm air is produced. The thermal fuse has opened, cutting power to the heating circuit.
Dryer runs for a few minutes then shuts off unexpectedly. The fuse trips when exhaust temperature exceeds 91°C due to airflow restriction.
Timer advances but no tumbling, no heat, no response — total loss of dryer function caused by an open thermal fuse.
💡 Pro Tip: How to Know Your Thermal Fuse Has Blown
Your part is likely the culprit if you notice any of the following:
⚠️ Dryer won't start at all — motor and drum are completely dead
⚠️ Dryer suddenly stops mid-cycle without warning
⚠️ Drum spins but produces zero heat (no warm air)
⚠️ All dryer functions cease unexpectedly
🔍 Confirm with a multimeter: set to continuity mode and probe both terminals of the fuse. A good fuse shows continuity; a blown fuse reads open (infinite resistance). Also check for lint blockage in the exhaust duct — a clogged vent is the #1 cause of blown thermal fuses and will blow the new fuse again if not cleared.
📦 What's in the Box
✅ 1× Dryer Thermal Fuse 91°C (Replaces WP3390719 / 3390719)
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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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