Oils also be some air still in the line. When I light mine first time on propane I do as you did, I light the stove and let them run until my fridge lights. I’ve had to turn off and back on a couple of times to get it to light the first time of the year. After that unless you run out of propane it should light with no problem. Do you have lights working on 12v. Like said, you also need 12v to light on propane. Let us know.
*2016 CAF25SE Cruiser Aire 5er. *2020 Chevrolet 2500 HD Custom
*Ted & Tricia (Mimi and Boo - Poodles)
*I have tried to live my life so that my family would love me and my friends would respect me. The others can do whatever the Hell they please!” —John Wayne