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Old 01-23-2009, 07:42 AM   #1
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Trouble with my furnace

i have a Lennox Wisper Heat G20Q3/4E-100. my unit wont fire up it starts the blower then the ignitor comes on with the damper door in the down position and i think i hear the gas valve inergize but the ignitor just keeps trying to fire with a pilot flame on, nothing but cold air. can someone help us please were getting very cold


Last edited by Dan123a; 01-23-2009 at 07:48 AM. Reason: more info
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Old 01-23-2009, 07:55 AM   #2
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These Curtain furnaces have had several problems with igniting. You may want to check that the unit is grounded properly to the outlet. Also try unpluging the furnace for a couple miniutes and that may reset the board if it's in a lockout mode.


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