We’ve lost 12v to our refrigerator and water heater. The refrigerator worked fine on shore power at home but the control panel is dead here at our campsite. Nothing on shore or gas now. The water heater is out too, both gas and electric are out. All other 12v seem to work fine. All breakers and fuses in the electrical panel are fine and I reset the micro breaker at the 12v bus. The a/c works fine, slide-out, lights tv, tv booster and all outlets all work. Is there another fuse or breaker I’ve missed?