We used our Cascade last in July. Just went to check on it. It's parked under my barn and hooked up to power. Everything is dead. No lights, power control panel, no power except micro wave when plugg...
Does your battery system have a kill switch? If so, check to make sure you didn't flip it to disconnect the battery from the rest of the "house". Microwave runs on 120 v AC. Lights run on 12 v DC (battery). Sounds like you flipped your kill switch and thus ... no battery.