Sounds like a couple 120 volt circuit breakers are tripped in the power center. Start with the pedestal and trip the circuit breakers and reset them; then move to the power center and trip and reset each one. Generally you can not operate the A/C, microwave and the converter on a 30 amp circuit.
Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
And last but certainly not least: Check the connections on the Automatic Transfer Switch (ATS) that switches from Shore Power (SP) to generator power. Common quality control problem area in Thor coaches as well as the electric side of the water heater 120 VAC circuit.