Michael B Pacific Palisades , CA August 01, 2020 Appliance: LG Washer WM2455HW Lg Washer Wm2455hw / : Le error code. How to replace Washer Rotor Position Sensor Assembly. With the help of tech support to identify defective parts and the on-line videos, I was able to make the repairs in about one hour. Great tech support and customer service. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours