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Lennox Pulse Furnace fails to start

Posted by Doug S. on January 15th, 2003 04:24 PM
In reply to Furnace stop working by Jay on January 4th, 2003 06:17 AM [Go to top of thread]

22 of 23 people found this post helpful

I've been reading these posts, and I wonder if I have a similar problem. I too have a Lennox Pulse (circa'88) and it has this problem. In the AM, when the furnace is started to heat the house, the furnace will try to start for 30 seconds or so. (buzz then stop then buzz then stop) I will listen to this try for 4 complete "buzz / stop" cycles then it stops completely. When i look at it' I'll find a blinking LED on (I think the) ignition control module. When I turn off power to the furnace for 10 seconds and turn it back on again, it usually starts normally. Does anyone have any ideas?

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