Blower won’t shut off

Tools I Use In My Videos 👇👇👇
https://www.amazon.com/shop/hvacguy
Found blower running, even when thermostat is off the wall. Board wasn’t getting a call for anything. I go through the things I know that may bring on the blower, and found no reason for it to be on. Plus, I checked to see if it would operate normally without “fan” wire hooked up, and it wouldn’t.
#hvac
#rheem
#furnace
#repair