If fan is equipped with a rain sensor locate the two 28 gauge black wires that feed down from the top side of the fan through the t slot in the base.
Fantastic fan rain sensor.
The built in manual knob allows for closing the dome in the case of power loss.
Dometic offers a wide range of accessories for the fan tastic fan including the ultra breeze vent cover.
On the plus side the sensor will stop any rain coming into the campervan so that it doesn t get wet inside.
The exterior sensor automatically closes the vent when it starts raining and gets wet.
The powerful fan quickly moves air in and out of the cabin.
Fan tastic vent rv roof vent with thermostat and rain sensor manual and automatic speeds 12 volt rv vent fan smoke dome rv vent cover model 7350 white 4 4 out of 5 stars 240 402 57 402.
Fantastic fan rain sensor.
Some fan tastic vent models also have built in thermostats and sensors that observe moisture levels and the temperature.
Now all fans are working properly.
Below are four photos showing how to disable the rain sensor.
Variable speed fan automatic dome lift thermostat rain sensor remote reverse the dometic fan tastic vent model 7350 features a rain sensor that automatically closes the dome when wet.
Trace the wires to the white connector on the circuit board and carefully unplug it.
Realizing that the fantastic fans are basically worthless because the rain sensor overrides the fan operation i disabled all three fan rain sensors by cutting the wires running from the rain sensor to the fan circuit board.
The rain sensor will automatically close the lid when moisture is detected.