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Can you help me troubleshoot a Bryant air conditioning unit that has a fan not working?

My fan is not working on Bryant air conditioning unit/

asked by kathyg (11)

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Tags:  hvac  troubleshooting

answers

I would check the wires that go from the blower motor to the circuit board. Most the time it is a thick yellow wire and it comes unplugged very easily.

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posted by christa (20)
10 votes

Before calling the repairman, check these things first: a) is the air filter clean? ; 2) insure all return air grilles are unobstructed c) it the unit set to "cool"?

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posted by Bootsie (35)
7 votes

Start by checking for voltages at the board or contactor that controls the fan motor, then check for a case ground short on the fan motor. Don't forget to check the run and start capacitors.

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posted by pattiG (40)
7 votes

The fan will running off of DC voltage. Follow the wiring from the fan and use a volt meter to determine if the problem is the fan or the AC to DC tranformer.

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posted by JBear (179)
7 votes

Check to see if the blower motor spins easily with the power disconnected. If it does not, replace the motor. If it spins freely, check that the relay that supplies power to the fan is pulling in. Replace that if it is not.

5 votes

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