For most models, the INVERTER also acts as a DC CONVERTER, supplying 12VDC for house battery charging, etc.. Sounds like you have a blown fuse or ?? on your 12VDC control Board, that is assuming your INVERTER is supplying 12VDC to it. Rook
When you get a chance to dance, or sit this one out......I hope you DANCE!
98 National Tradewinds 7370, powered by a 3126B 300HP CAT Turbo, Freightliner XC chassis