Stacy C Century , FL September 03, 2018 Appliance: Whirlpool Electric Dryer LER6620PQ0 Whirlpool Dryer Ler6620pq0: Bad switch. How to replace Dryer Door Switch. Ordered a new switch and also a new door switch. Watched tutorials and was able to fix my dryer in 2 days with fast shipping! Easy peasy! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes