Oladiran O Austin , TX July 11, 2015 Appliance: Whirlpool Washer - Direct Drive GHW9100LW1 Whirlpool Washer Ghw9100lw1: Stuck/broken start button. How to replace Control Knob. Googled it. Saw the YouTube video on replacing the User Interface module. Decided to try to fix this myself. Looked simple enough. Ordered the UI module. Saw the video on the replacement again. 16 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes