checked out Dishwasher unit and found that unit is saying door open. checked magnet switch and found that sometimes it will ohm open then close, with a magnet next to it, it will. will obtain new magnet and door switch. note: when installing door magnet, might have to bend door back into place. 4-23-19 returned with parts. removed old door switch and magnet and installed new door switch and magnet. checked operation by running unit, okay.