Question about Carrier XHB123D X/Y Series Heat/Cool Air Conditioner

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Furnace pilot is on, pilot ignitor continues to click, no main flame

I have a Carrier Weathermaker SX model 58SX060-CC-1, series 150, 66,000 BTU furnace. The intake/exhaust fan starts when the thermostat tells it to, the pilot lights, but the main flame does not ignite. The pilot ignitor continues to click like it does not notice the pilot is lit (I think). The thermostat is connected also to an A/C system, all of which works fine (main house air circulation is good).

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  • coatings Oct 19, 2008

    I fixed it by replacing the ignitor assembly. When I took out the old one, I saw alot of buildup like hard water staining. Turns out the A/C was dripping into the combustion chamber, and the ignitor assembly sits in a little depression. Perfect place for water to accumulate and cause buildup and corrosion. Thanks for the input!

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  • 182 Answers

Sounds like the sensing bar on the spark ignition is dirty.....a wire brush works nicely.

Posted on Oct 18, 2008

  • Zahid Qadri
    Zahid Qadri Dec 23, 2013

    well, in my case the ignitor is working fine, it does not continue sparking, it gives normal low flame, but there is no main flame

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