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Bryant 310AAV draft inducer motor constantly running

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07-07-14, 10:08 AM

browntiger

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Bryant 310AAV draft inducer motor constantly running

I noticed that my draft inducer motor is constantly running on Bryant 310AAV.

Tstat is in cooling mode, so no call for heat.

Remove t-stat completely same issue.

As soon as furnace powered inducer motor comes on, blower is off.

No error code displayed by LED. Temporary I removed power to the inducer motor.

Appreciate feedback, or how to troubleshoot the issue.

B

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07-07-14, 12:14 PM

sminker

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relay on control module is welded shut remove white wire off board to verify your not getting 24s to coil for said relay...slight tap with screwdriver on boxed relays on board might break it loose..

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07-08-14, 12:25 AM

PJmax

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Welcome to the forums.

Quote:

As soon as furnace powered inducer motor comes on, blower is off.

I don't understand what that means.

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07-13-14, 01:11 AM

Houston204

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Sounds like a faulty furnace control board. remove the W wire as Sminker has posted to prove this but I have had to replace boards for this in the past.

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