Roof vents with fans like the maxxfan roof vent w 12v fan ma00 04000k do not have a fuse anywhere in the fan itself.
Rv roof vent fan not working.
Inspect the tank vent cover and caulking for damage.
The next step is to remove the air conditioning unit from the roof as it will be much easier to work with.
If the vent cover is missing look into the pipe using the flashlight to check for leaves and bird or rodent nests.
There also may be problems with the other ac parts that help make the fan run.
You can try using jumper wires to the vent wiring that are run to known ground and power to see if that works.
There are a lot of reasons why your rv ac fan does not work.
Sometimes just pushing down on the switch and releasing it to let is snap back will cause the conection to be made.
Our coach has tall ceilings and the vents with the fans are way out of reach for sherry.
Rv ac fan not working.
It can become loose and lose the ground.
Fantastic fans have a problem with the switch that shuts off the fan when the lid is closed.
Try tightening the nut on upper end of the switch.
But not a problem with the remote control fantastic vent fans.
Then you will need to observe whether there is an electrical connector and if there is what sort of connection there is.
You will want to use a circuit tester like ptw2993 to see if there is power getting to the fan.
First thing you will want to check is that the fan has power and is grounding properly.
If it is not the fuse i would suspect the switch.
Those are just some of the reasons why your rv ac fan isn t working.
Tank vent covers are typically round and about 2 inches in diameter.
Climb the ladder to the rv roof.
Remove the screws that hold the ac unit to the rooftop of your rv and set them aside.