I’m guessing this is a bug but looking for some input. Either way, users should probably be aware of this.
Case A. You’re running a load and then plug the AC180 in to charge. Everything operates fine and all makes sense… don’t exceed the inverter load rating and all is good.
Case B. You’re charging first and then plug in a load, for whatever reason, the load power gets added (on the input display) to whatever the charge rate is and it’s therefore very easy to exceed the input rating (or whatever rating). I.E., you’re charging at 1000 watts and plug in a 1000 watt load, the input jumps to 2000 and the unit trips.
Both cases you’re trying to run a 1000 watt load while charging. One sequence works fine while the other trips the unit.
It looks like Case A the unit automatically adjusts the charge rate while Case B it doesn’t adjust the charge rate, exceeds the input rating and the unit trips.
Case B can be pretty frustrating when you’re repeatedly tripping on a load that is well within the rating of the inverter. FYI, I repeated this on 2 different AC180s. I also tested this on an Elite 200 V2 and it did NOT have this issue.