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Hi, just replaced the capacitor thinking that would solve the problem but it appears it did not. The motor outside would kick on the unit inside would kick on but the blower motor inside works sometimes and wont other times. Basically, the unit will work just fine all day then we notice the house is getting warm, check the inside unit and everything is running fine but the blower motor is not circulating the air. I have a goodman a30-10 unit. I read where some people said the relay could be bad but I have no idea where to locate it or if that is indeed the problem.

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  • Chip Nall
    Chip Nall May 11, 2010

    You say that the inside unit is running. The inside unit should consist of a condensor coil and a blower. You should open the unit to see if the fan motor is running. Also make sure that the blower wheel is tight and not slipping. I have also seen the blower wheel come apart, but you should be hearing noises. Use a meter at thermostat and relay. Check for broken wires and fan relay or board if motor is not running. There is a fuse usually 3-5 amp on the board.

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Turn off the power to the air handler(indoor unit). Remove the access panel. From the motor,trace the wires back to the fan relay. One wire will probably trace back to the incoming power terminal. The other is the fan relay. It could be intermittent thermostat signal to the relay or a bad relay.
To verify if the fan motor is good,you can remove the one wire from the relay and re-attach it to the other side of the incoming power terminal. If it runs OK there,replace the relay. If it does not run,replace the blower motor.

Posted on Sep 28, 2009

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