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Bryant furnance clicking, won't fire

I had a furnace guy here twice. Each time he replaced parts, each time the furnace stopped working shortly after he left. The blower motor starts, but the furnace won't fire. A friend tried calling Bryant, but they wouldn't say anything until they had the model number. Ihave searched hi and low on the unit, and no number. Suggestions? Parts replaced: Inducer motor, inducer control board, main control board, pilot and flame sensor.

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  • Farley Redfield
    Farley Redfield May 11, 2010

    Sometimes the model number is on the deck right in front (towards you) of the burners. It may be dirty and need wiped off but be gentle some of the old ones have ink that will come off with just water and a rag. Use a strong light and a mirror. The tag is usually an aluminum color when new and may be plastic if newer.

  • Farley Redfield
    Farley Redfield May 11, 2010

    Good advise pierre1811

  • Perry Putnam
    Perry Putnam May 11, 2010

    First try the easy stuff. Check the tube coming off of the inducer for cracks. Remove the tube from the inducer and stick a straightened paperclip in to the nipple orifice to clear any obstruction. Are you saying that the main blower comes on or the inducer blower? It could be a limit switch too. Does the circuit board have an LED that lights up or flashes and if so count the flashes and look on either the ignition module/circuit board for the codes or on the panel. Let us know what you find.

  • Anonymous Mar 17, 2014

    Could this be heat sensor

  • johnbushey Dec 07, 2016

    Here is what I have seen and done, the clicking ( in my case) was the the ignitor and pilot light having a little to high psi,followed on occasion by an explosion, you can adjust the flow to your pilot from the gas valve,that helped a lot, my fix was taking aluminum and creating a shroud around the pilot light, I never even hear the first click from nine feet away.

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Try checking the pressure sensing switch,it has a tube that should run somewhere close to the inducer fan.sometimes this hose fills with liquids,and makes the units act funny.I don't know if you have a condensing unit or what.the furnace wont try to light if it cant tell the inducer motor is running.any induced draft unit will work this way.you can also do a temp. bypass of the pressure switch to make sure the contacts on it are closing just be sure your inducer fan is running,and you cant leave it like that its just a test.that is a safety feature you really need.

Posted on Mar 19, 2009

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