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BURNER STATUS LIGHTS START FLASHING, SHUTS DOWN!

WHEN YOU TURN ON THE HEATER, IT WILL CYCLE ON. WHEN THE BURNER STSTUS REACHES HALF WAY IT SHUTS DOWN WITH THE BURNER STATUS LIGHT FLASHING. PLEASE HELP!

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Not sure exactly what is meant by half way it shuts off. My furnance wouldn't heat to 68 degrees from a setting of 63 degrees on the setback thermostat without shutting down several times with a single flashing led. It would reset after an hour or so until it finally reached the 68 degrees. The problem turned out to be the tube that drains the water from the blower assembly. It had a belly in the middle which would cause the water to sit and block the airflow sensor for the gas value. Lifted tube to allow proper drainage to correct.

Posted on Dec 24, 2008

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;)

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