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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, 8 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, 5 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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