We're getting our new rig ready for it's shake-down trip and we turned the fridge on to pre-chill and it started to beep and a light flashed. This is a 2-wway Dometic of some sort (don't have the man...
A gas/Electric RV fridge has to have 120 VAC to operate from electric for the heater. If you do not have 120 VAC shore power, the fridge controls run from 12 VDC and the fridge from propane. Turn on the propane.