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When burners come on makes a swiching noise and then goes out and

Repeats by liting back up and making a swiching noise again and goes out now the polite lite stays on and burners won't come on? What could this be. THis would  be for a weathermaker sx carrier furnace

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The carrier sx series went through a number of control systems over the years. can you find the full model, and series numbers? They are located behind the door on the left side. (i.e. 58 sxc080-100 series100)

Posted on Jan 11, 2009

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