Fridge not staying lit when traveling

Warming up while traveling can be hot air going up the white drain line, not the burner going out. It should have a check valve/plug in the end. You could also fill the black pan half full of water so air cannot get in on your next trip and see what happens.

They make a "kit" which is a piece of sheet metal that protects the flame. Look up your fridge and search for it. I had to install that on my Fleetwood. The Sunnybrook doesnt seem to have that issue.

Sure its not staying lit? Or you might have a low house battery.

These fridge's thermostats use DC. The fridge will start up just fine, but when it shuts off when it reaches its temp it will not start back up again if you have a low battery situation.

I don't know what kind of fridge you have but if it's a dometic you can get a free baffle kit. We got a kit a couple of years ago. If I remember I think our rv dealer had to order it but it was free and it came with baffles and a burner shield.

My set up is similar but there is another approximately 10 X 10 sheet metal wind deflector covering the burner area. It covers from the bottom of the compartment up to where the flue goes above the access door and from the right wall to approximately the middle of the access door opening.

Even with this additional protection my frig will blow out if the wind is strong enough from some directions, I check it at every stop on high wind days.

Clean the burner.