Paul M Camp Lejeune , NC March 28, 2015 Appliance: Whirlpool Electric Dryer LER6634DQ1 Whirlpool Dryer Ler6634dq1: The timer would not advance so the dryer would stay on indefinitely. How to replace Dryer Timer (3-Cycle). Replaced the timer/controller. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes