Originally Posted by
Calde315
My fan is plugged in with the red in the middle and the black on the outside towards the sensor cable. Both of mine don't turn on until they need to, but I'm not sure what setting on it's set on.
There are only 2 settings for the fan. Auto and Always On.
On Auto, the fan should still spin up for about a second during the initial power on test and arming, so you can see if the fan actually works.