Robert T Kaneohe , HI March 01, 2015 Appliance: LG Washer WM2016CW Lg Washer Wm2016cw / Abweeus: Persistent door error on lg washer. How to replace Washer Door Lock Switch. Utilizing the video found on the website, I took off the clamp and door switch. I then replaced the door switch as indicated in the video. The washer works like a charm now. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes