We had that same inverter on our last boat. It was such a pain in the ass that we finally tore it out and threw it in the dumpster. we replaced it with something called a Magnum and never had another problem. By the way, be careful when working on those wires! Xantrex told me that the inverter could still zap you even after being unhooked. I'm not sure how, but I didn't lick any bare wires to find out!
We did that unhook, wait an hour, hook-up drill about fifty times and never got any joy from that nonsense. I have never dealt with a company that seemed to have less concern for their customers than
2008 RB 50 Pueblo gold, Diesel, 4X4, Aluminess