Chris C Provo , UT March 13, 2016 Appliance: Whirlpool Electric Dryer WED6400SW1 Whirlpool Dryer Wed6400sw1: Dryer would not dry in one cycle. How to replace Dryer Thermal Fuse. Replaced thermister, thermal fuse, and sensor. The video showed the parts in the front of the dryer, but I had to remove the rear panel and it was an easy fix. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes