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What does red flashing light on control module mean?

Post created: 2014-04-01 Type of Equipment: Furnace Views: 89

This question was created on the page: http://www.furnacecompare.com/furnaces/american-standard/freedom-90.html.

On 2014-04-01 Tim Priddy wrote:

That is a self diagnostic that the unit itsself does. Usually on the back of the cover panels it will have a chart of what the flashes mean, and tell you what the problem is.

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