Sanford T Concord , NH April 24, 2015 Appliance: Model WHDSR109ISWW Control knob would engauge time ajust out konb stripped I removed the whole timer/control to if I could fix it. Turned out to be the outer control knob, I reassembled with new knob, problem solved, easy-peesy-japaneesy. (small needle nose pliers or hemistats work well) Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes