This happened to me when my 23 RB was new. With about two hours of service the furnace motor quit and after much research on the service departments end they replaced the motor and no problems since. I wish you luck and hope you find a simple fix.
2014 Toyota TundraTRD double cab 4x4 tow package off road package 46 gallon fuel tank
2015 Jayco Jayflight 23rb elite thermal package solar equipped