I plugged the motorhome into shore power. Naturally of course the A/C unit is not putting out cold air. The rear one won't even come on. Even though the switches are set to front so that they both...
For all those that say you can't run 2 ACs on 30 amp you don't know what you are talking about. With an energy management system it can be done. We had a Pace Arrow with 2 ACs and 30 amp and we could run both ACs at the same time. If you tried the microwave at the same time you would get an AC shut off. The EM would control how the ACs would start so they both did not attempt to start at the same time. We had that unit for about 5 years and did run both ACs regularly!!