John H San Diego , CA July 14, 2016 Appliance: Samsung Washer WA422PRHDWR/AA-0000 Samsung Washer Wa422prhdwr/Aa-0000 / : Samsung clothes washer wa422 had a unbalance error. How to replace Washer Damper Assembly. I found that there is a service bulletin for this known problem, the old support rods had springs that were too weak. Replaced the four rods with the new design, a 10 minute task, and saved a $200 service call. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes