If you can carefully check to see that you have 110v on the input side of the power center.
If you do, and all fuses and breakers are good, then I'm afraid the converter may be blown
The converter feeds DC power to the DC appliances on board ( converts A/C to DC)
It can be replaced DYI, but you should have good electrical skills to take that on.
Recheck all fuses , or even replace them all before buying a new power center and converter
Jim & Kim from Colorado
2014 Eagle 30.5 RLS
2015 Dodge 3500HD SRW 6.7L
Click on my profile for Mods and notes