Question about Ruud Central System Air Conditioner

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Pilot lights but main burner doesn't come on. Just replaced the pilot safety switch but still didn't start.

Replaced White Rodgers Mercury flame sensor. Power sources appear to be working but main burner not igniting. Part # was 3098-134 & 3098-156.

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Does the induced draft motor come on and does the pressure switch close? have you checked the roll out safeties?

Posted on Dec 03, 2014

  • Ralph Gilkison
    Ralph Gilkison Dec 03, 2014

    This is a ruud gas furnace, not a air conditioner.

  • ardvark02 Dec 03, 2014

    the induced draft motor is part of a furnace operation, it's operation should close a pressure switch proving air flow to the exhaust stack. It is not part of an air conditioners operation sequence.

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