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View Full Version : Furnace short cycling Bryant Series SB C Model 100 393J


yantyan
Oct 17, 2009, 08:29 PM
My furnace has been short cycling.

Bryant upflow forced air furnace
Series SB C
Model 100 393J

It will run for approximately 10 to 15 seconds, shut off for approximately 1 minute, run for 10 to 15 seconds, shut off for approximately 1 minute. It does this for around 7 to 9 times then will not cycle for another 30 minutes.

Could you please help me!