Your furnace has sensors in it to help with various functions. One of them is on your blower motor, which is what pushes air throughout your ductwork and out of your vents. Without it, the whole system simply doesn’t work as it’s supposed to.
Throughout all the furnaces in Lebanon, OH we’ve serviced or we’ve seen, on more than one occasion, the sensor on a furnace’s blower motor give out. This doesn’t sound like much of a big deal, but it actually has some serious ramifications for how your furnace runs. Let’s take a look at just what it does, and what it can do when it goes out.