Gloria B Jackson , TN March 20, 2016 Appliance: Samsung Washer WA422PRHDWR/AA-0001 Samsung Washer Wa422prhdwr/Aa-0001 / : E3 code kept showing up washer would overfill and stop during the cycle it was still washing but it was not automatic. How to replace Washer Control Board Assembly. I saw a similar comment on your site about the E3 code and replacing the main board fixed it, so I gave it a try. It works perfectly now. I'm so happy that I could repair it for under $200 instead of paying 3 times as much to replace it. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes