Samsung recommends you call DISH, yeah the internet antenna people, for repair of Samsung washers and I assume dryers. I first called an appliance co., but the tech did not know what he was doing. He told me he thought a certain board was bad. Didn't hear from him for 2 weeks. Got the board myself, replaced it. Did not fix problem. Called Dish, gave them my model number and the problem, tech showed up with 2 boards, One of which fixed the problem. NOTE: Circuit boards have part numbers on them. Usually ending in an alphabet, normally A or the first iteration of tha circuit board. The board replaced on my unit had the letter F, meaning they had probably been a B, C, D and E board version before they finally have gotten the board problem fixed. Warranty problem?