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1985 carrier unit stopped. all fans spin freely.

Volt meter showed capacitor was bad so I replaced it. Power to unit is on. I was told by a friend to push the reset button. Can*t find it. carrier model number 40aq024330cd. thank you

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Trace wiring out from fan motor back to relay or contactor. On the relay or contactor check with a volt meter and see if you have power to the fan motor. If you don't, you need to check the coil on the relay or contactor and see if you have power on the coil.(24V,120V,230V whatever is marked on the name plate). If there is then replace relay or contactor. if there isn't the control circuit is probably open and it is likely the high pressure control. You will need to locate this and reset it, if it is a manual reset, or it is possible there is another problem

Posted on Jan 19, 2009

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Power is normal. all function led can be operate at normal. But not run


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CHECK THERMAL SHUT OFF THERMOSTAT USUALLY LOCATED ON THE BLOWER. for OHMS or resistance with a meter. Should show a closed circuit. Ohms WHEN THIS FUSE BLOWS IT WILL SHUT DOWN EVERYTHING.

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If you hear a humming/clicking sound from motor area you more than likely have a bad motor.
Try this test out to see if u have weak windings or relay/capacitor on motor.
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Another thing to check is the belt safety switch. With a multi meter.
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Lastly check ur DOOR SWITCH for continuity with a meter when the button is pushed in the (on/Door closed position,) it may have gone bad.

https://www.youtube.com/watch?v=sTRP6kHqAFs

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Have a Magnavox 37mf321d LCD TV, one day, went to turn it on, and the green power light came on, along with the screen (which just flashed), and then went off. Waited a few seconds and tried again, the...


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