Search Results for ‘won't ignite’

The furnace blower comes on and the igniter goes through 3 attempts to light then goes to lockout. I have removed the flame sensor and all six burners and cleaned them. I reinstalled them and the problem still exists. However when I remove the burner in front of the igniter and the ignition...

My furnace won't fire, and I can't figure out why. The exhaust blower starts, and that's all I get. It has a new board, new blower motor, and the lines going to and from the exhaust are all clean. It still has gas supply, but never ignites. It doesn't have a pilot light that burns...