Daniel A Bellevue , NE August 03, 2019 Appliance: LG Dryer DLEX5170W Lg Dryer Dlex5170w / : LG dryer continued to tumble when off if door was not open. How to replace Main Pcb Power Control Board Assembly. Replaced Pcb Assembly, main. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes