Thanks everyone and sorry for the delay. I've been driving. Good to know that the fuse has all gas appliances on it. My refrigerator is 110vac only but I'll try to eliminate all the others. It's odd that everything seems to operate although I haven't run the furnace itself. The only time the fuse is a problem is after turning the genset off and plugging into shore.
The inverter is not a charger, it's the Xantrex 1800. All battery voltages are good in all situations (both charging and when inverter is on).
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