Jim, welcome to iRV2.com. We are glad to have you join us. I am sure you will enjoy the website. Here is a schematic that should be the same as yours only this is a larger BTU unit.
Check connections as this may be the most common problem. Unplug them one at a time and reconnect verify tight connections. Let us know how you come out on the diagnostics.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7