Posted by Determined on January 13, 2013 at 09:28:21 from (126.96.36.199):
In Reply to: Furnace Help! posted by James Wheland on January 13, 2013 at 08:52:27:
[quote="James Wheland"](quoted from post at 11:52:27 01/13/13) I Have a Lennox hi-efficiency 15 year old furnace. it has a small purge blower that runs before the ingnitor fires. This morning of course before Church we wake up an no heat. The ignitor usually clicks up to 15 seconds before lighting. Today it is clicking only 2-3 seconds then stops trying before the flame can light. It has a blue ignition module box AND a main Circuit board that controls functions. I have a call out to furnace guy but its tough on Sunday. Any help would be Great. I am going to some sites but dont see anything good for help, so I thought I would throw it out there, since you helped me out with my well problem.[/quote
I have a similar unit, check if frost or snow is blocking the inlet pipe outside. If there is insuficient intake air the vacuum switch will prevent the unit from lighting.
Yours probably has a black cap [drain trap] held on with a spring clamp on the line leading to the condensate drain pump remove, and clean out and let moisture drain out of hose.
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