Suggest you check to be sure you have thermostat in auto to heat mode. Check for tripped breaker? My first trip out dealer was to have lp tanks filled but didn't. Bought an electric heater to get us through the first cold night and filled the tanks, next day-no more troubles. Good luck
Dennis & Carol
2005 Bulletproofed F-250 6.0 Crew Cab/Long Box
2007 Forest River 38 ft Sierra
Traveling with new pup "Sammie". Boston Bull Terrier/chihuahua (Bo-huahua). Pronounced Bow wow wow.