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Question About Lennox International Inc. Furnace G40UH(X)
I have the lennox G40UH(x) the furnace fails to s...

I have the lennox G40UH(x) the furnace fails to start and the fan will not work until reset. The lights are alternating quick flash. What is the most likely cause?

Asked by Darrel on 02/06/2014 1  Answer

ManualsOnline posted an answer 10 years, 9 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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