Do you have a 2000 watt inverter ?
If so two push to reset circuit breakers on the side of the unit .
OR if you weren't on shore power at the time , and the inverter was operation , you may have blown the inline fuse between the batteries and the inverter.
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.