I have a new (4 months old) Highland Ridge trailer. we used it once so far and everything seems to be working great. Last night I was washing the trailer getting ready to hit the road for an upcomin...
Is the thermostat truly off or is it just turned down really low? If it is truly off then you have a problem with the thermostat. It's defective, has some wires crossed, got wet inside, or something. Check it with a volt meter.