Have a new 2014 Winnebago Sigheseer. Recently I've noticed that when I have the fridge mode set to Auto(AU), propane turned on, and then disconnect from AC, the fridge doesn't switch over to propane a...
I had the same problem with I purchased my 2009 Winnie.
1st make sure you purge the gas lines.. light a burner on the stove and let it run a minute to get the the air purged. If you can't get the stove to light then you have another problem.
2nd open the cover to the refrigerator and find the refrigerator gas solenoid. There is a manual shut off (knurled knob)on the solenoid and this was the problem on my fridge.
Just turned the valve on and mine started to work.