We have a 2002 Sundance Optima that we recently moved to our new home. It worked fine for a couple months before it started giving us trouble. It keeps shutting itself down and the only way to restart it is to cycle the breaker. At first it would last a week or so but then the time between shut downs keeps getting shorter, now it's just a few seconds. It just shuts completely down, display and all, it does not trip the breaker. It seems like the longer we leave it off the longer it will run the next time we turn it on. In the past we would sometimes get a high temp indicator / reading but it would go away.