At first replaced the door switch thinking that it sensed door was not closed to start load, but that was not it. Then purchased main circuit board, followed the video on how to replace, and it solved the problem. The repair was straightforward and could have taken much less time than it did - my main problem was that I could not get it fitted back in place underneath. The video shows the repairman simply pushing it back up and into place, but 2 of the wire bundles must be moved correctly into the slots on the metal cover to allow it to be pushed up in place to align with the screw holes. If you don't get the wire bundles into the slots on the metal cover the wire bundles get in the way and prevent it from being pushed up into place. To be fair, that was quickly mentioned in the video, but not emphasized. It should be emphasized since once the 2 wire bundles are in the metal slots it allows the board and metal case to push up fairly easily.