Brandon P Spokane , WA May 16, 2016 Appliance: Whirlpool LHE5800W0 Whirlpool Dryer Lhe5800w0 / : Timer failed heating element failure. How to replace Timer. A fairly straight forward repair, Replaced the timer although it was a substantially older model than i realized. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours