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Question About American Standard Furnace freedom 80 single stage
red lite flashing through plastic eye on front of furnace...

Why is there a flashing red lite on the front of the furnace

Asked by william on 01/30/2011 1  Answer

ManualsOnline posted an answer 13 years, 10 months ago

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

Anne posted an answer 13 years, 7 months ago

5 count the flashes and it is a code to tell you what problem your furnace is having. Unfortunately, the material given by installers with furnace does not include the diagnostic codes. That is why I am on this site, looking for a list.
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