Just to clarify, what are the exact lights you're talking about? To help get rv refrigerators back up and running, dave takes you outside our demo camper to show you the inside of a sample burner assembly. All You Need To Know About Rv Propane Refrigerators Artofrvcom However, it is better to allow your rv refrigerator the time it needs to start cooling. My rv refrigerator only works on propane . How much propane does an rv fridge use? With these rv refrigerators, you will be having the best cooling experience as you can manage to keep the drinks cold, and food preserved. Now this is confusing you said a few days ago quote:rv refrigerator works great with propane, now your confirming it works lousy on both lpg and ac sounds like (possible)you have a failing cooling unit. There's an on/off button, a auto/gas button and a check button. Put the plug back into the outlet behind the refrigerator. Make sure the refrigerator is turned off and then make sure that each of ...