Hello and that all in advance! I have 3 vent fans in my travel trailer and none seem to work. They might even function but I don't know how to star them. I attempted while hooked up with electr...
If they're Fantastic fans, call them and they are very good at helping. They'll walk you through it so call when you're by the fans. Have the Model # ready. It is strange that all 3 don't work.
Also, if the lids ever stick, clean the lid edges and the outside rubber gasket and then wipe the outside rubber with 303 Protectant which helps greatly. When not used often the rubber gets hard, is coated with dirt and it sticks.