Your Bounder has a BCC (Battery Control Center) that contains the Disconnect solenoids and the Isolation Relay. It also contains two re-settable DC circuit breakers. They are probably tripped.
They look like small terminal blocks with a little black plunger in the base. That's the reset plunger.
I'm not sure where it's located in your rig, but it will have a cover on it that says either Intellitec or RV Custom Products.
Also make sure your battery disconnect switches by the entry door are operational.