hey there! Trying to turn heater for the first time in 2010 Jayco Jay series 1206, have propane hooked up, thermostat is set to on, and temperature is high, and there is no sound have fan or any heat coming out. Do I have to do anything for propane other than turn top of propane tank on after connecting it to hose? In side panel it is set to Gas and High Cool....fridge also not working, but not sure how to turn that on either....no manual... please help!!