John R Conroe , TX October 29, 2016 Appliance: Samsung Washer WA456DRHDSU/AA-0002 Samsung Washer Wa456drhdsu/Aa-0002 / : Washer would only occasionally start and when started would not complete a cycle. How to replace Washer Water Level Pressure Switch. Replaced the main board and the water pressure switch. I watched the videos before performing the work, made it much easier. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes