Tom B O'fallon , MO December 13, 2018 Appliance: Samsung Washer WF45H6300AW/A2-0000 Samsung Washer Wf45h6300aw/A2-0000 / : Erratic operation time, changing at will. Shut down at times, alarms. How to replace Washer Control Board. Replaced the main board. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours