Dale H Newington , CT August 07, 2020 Appliance: Samsung Dryer DVE50M7450P/A3-00 Samsung Dryer Dve50m7450p/A3-00: Dryer drum would not stop turning even with the power button turned off when door opened it turned off and with breaker turned off it stopped. How to replace Dryer Main Control Board Assembly. I ordered a new control board and installed it myself. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes