The Dishwasher is attached to the same line as the Sink/Garbage disposer, and that was clogged last week. The plumber came out and unclogged the line, but now the dishwasher is flashing 2 short on, 1 long off–it starts to drain for 15 seconds or so then it cuts off. How do I reset this fault code, or is there something else I should try to clear additional blockage?