ultraheat

On my trial run in the van a few weeks ago, I had the usual issue with the Truma heating on electric which folks seem to talk about. Heat was cutting out on setting 5 on the stat at about the right temperature, but not coming back on. Higher settings resulted in a sauna. I resorted to...

Hi all, my truma ultra heat has stopped working on 2000w and 1000w. Just works on the 500w but not very good? Has anyone else had this problem if so did you find out what was causing it? Tia