I have a 2008 Bounder, it has the Norco 1200 4 door. I've been through 2 new cooling units and I'm still not happy with it. The freezer never get to zero, my 11 degrees, the fridge is usually are around 35 to 40 degs. Hardly ever gets to 32.
I've tried inside fans, I've had up to 5 fans...