I have a Whirlpool dryer It keeps blowing thermal fuse by blower (part 3392519). I replaced thermistor (part 8577274) and thermal fuse about 4 months ago. Checked venting and it was clear, customer had it cleaned out about six months ago. What else could be causing this?
A shorted element would cause this issue, I also had similar issue with a GE dryer. Customer kept telling me they had exhaust cleaned six months ago. I finally got them to call a chimney sweep, they found a bird nest in flue. If you know for sure you have good airflow with proper testing, then I would suspect an element shorted to the chassis or a stuck heater relay on the control board. Turn the dryer to air dry, if you start to feel heat, one of those is causing your issue. If it was a relay stuck on the PCB, shouldn’t the thermal safety fuse on the heater go out first? I did have a stuck relay on another Whirlpool dryer and the thermal fuse on the heater went out. Hope this helps .
- AV Repair Help answered 9 years ago
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