Carrier noise

General topics about all things heating, ventilation, air conditioning and refrigeration.

Carrier noise

Postby frost55 » Mon Oct 03, 2011 5:07 pm

I have a 2002 high efficiency furnace,,not sure what model,,says 91% efficiency on the side. When it's running it randomly makes a noise as if it shuts off and starts really quickly but keeps running. The Furnace guy was here and checked everything and said everything looks good and he thinks" its a relay clicking on and off really quick" on the PCB and says just to keeps using it and see what happens,,, as the boards for these furnaces are around 500$!! any of you guys run into this?
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