Matthew W Bolton , MS October 15, 2018 Appliance: LG Washer WT1101CW Lg Washer Wt1101cw: Drain remaining on. How to replace Washer Main Control Board. Replacement PCB for the unit. It's a 10 minute fix with a nutdriver/screwdriver set and some transmission picks. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes