Good to know about the alarm, thank you for post. Just got back from 2 day dry camping today in Shenandoah again. We woke up in the middle of the night because inverter remote panel was beeping error. Turned it off without checking status. My guess is that we drained more power than we ever did before. Porch light was left on. Anyways the second night, no beeping, everything off except for the fridge/freezer