Note: You cannot jumper the sail switch and expect it to function normally. The controller will see the jumper and will not turn on the blower. Remove the 2 wires from the sail switch. If the switch is bad, this will at least show as “open” and turn the blower on.Aug 18, 2020
What activates a sail switch?
A sail switch, vane switch or flow switch is a mechanical switch that is actuated on or off in response to the flow or non-flow of a fluid such as air or water. A sail switch typically operates through the use of a paddle or a diaphragm which gets displaced due to the force of fluid or air moving past it.
How do I reset my Dometic furnace?
Press the “+” button and, while holding it, also press and hold the On/Off Mode button for three seconds. LCD will show ― ― . Press the On/Off Mode button again to turn system off. This completes the initialization.
Can you test a sail switch?
With the sail switch removed, test with a multimeter set to ohms. ... By hand, close the sail switch. With the circuit closed, there should now be a reading of approximately 0.0 – 0.2 if the switch is good. Sail switch test.
What does a sail switch do on an RV furnace?
The job of the sail switch is to tell the system that your fan is spinning fast enough then it sends the propane to be ignited. This is done as a safety precaution for your RV won't catch on fire.
What does a furnace sail switch do?
The job of the sail switch is to tell the system that your fan is spinning fast enough then it sends the propane to be ignited. This is done as a safety precaution for your RV won't catch on fire.