Eric J Rochester , MN June 29, 2015 Appliance: Whirlpool Gas Dryer GGW9200LW1 Whirlpool Dryer Ggw9200lw1: Timer on dryer would not adjust up or down. How to replace Dryer User Interface And Display Board. Replaced front control panel. Most difficult part was separating control panel from cover. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours