Jill - Someone asked what inverter your coach has. I understand it's made by Xantrex but what model is it - Trace, Freedom, etc., Pure Sine Wave (PSW) or Modified Sine Wave (MSW), and what is its wattage rating. For example, our coach has a Xantrex Freedom PSW 3000w inverter with an AGS module and remote panel.
Regarding why the ON/OFF dash toggle won't shut down the generator: Our AGS has started the generator many times, probably because the batteries were low, but I have never been denied the ability to simply shut it down by using the ON/OFF toggle switch. In a few minutes, the AGS will restart it again if the batteries are still low.