Todd S Navarre , FL September 21, 2016 Appliance: Samsung Washer WF363BTBEUF/A2-0001 Samsung Washer Wf363btbeuf/A2-0001 / : "hr" error code (heater relay malfunction) and washer power down whenever trying to run with hot water or purecycle. How to replace Washer Control Board Assembly. Replaced the Main Control Board, which is where the heater relay resides. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes