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You will never really know what problem you are facing is until you have camped and discovered the problem. I have a 2009 22fds and noticed a water leak the first trip of the year. Come to find out, it was the slideout seal...it was a half inch short. Not to indulge into the problems I have had since, but check window seals and make sure they are caulked around the exterior top, the half time oven on mine may work, but I don't know yet. The number pad does not work. All said, look through it with a fine tooth comb, It takes forever for warranty work to be authorized, and it will leave you feeling like you were taken to the cleaners on a supposedly new camper.