Lennox furnace not starting

Old 10-27-14, 10:48 AM
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Lennox furnace not starting

hi, I'm new to this and not sure if I'm doing this properly but I have a G20RQ3E-75-3 lennox gas furnace that has somethng wrong with the spark ignitor. what happens is that it clicks once and then the heater just humms. No pilot light soparking that I can see and usuaLLY IT CLICKS 5 TIMES OR SO BEFORE IT STARTS BUT NOT DOING that anymore. please advise
Old 10-27-14, 12:37 PM
Join Date: Feb 2014
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Make sure the damper is opening all the way and the damper switch is closed.

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