Search:

Thanks labman. I tried switching the wires from the fan, switching the black high speed wire form the COOL tab to the HEAT tab on the circuit board. The fan still does not work (even in the On...

If I have the furnace on and the fan on "Auto" the fan never comes on. The furnace seems to work fine - the ignitor begins to glow, gas comes on, and burners light. After a while the gas stops for...