Kimm H Baton Rouge , LA February 08, 2020 Appliance: LG Washer WT1201CV Lg Washer Wt1201cv / : Eo error code. How to replace Washer Water Level Pressure Switch. I replaced the water pump. My threads on my water inlet valve were cross-threaded, so I replaced it as well. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes