The panel turns on but the motor does not turn on. The electronic panel is on but the ac has a humming sound without the motor or the compressor turning on.

remove from power, it is ac there no stored energy, but you can take a screwdriver and place across terminals if you are concerned.

The humming sound is the motor trying to start, if you turn it by hand, usually they will run. it sounds like the motor for fan needs cleaning and oiling. God-Bless ya all!

most AC`s have a start capacitor at the compressor pump, if this start capacitor is defective your compressor will not start and cause it to draw more current than is normal, when you turn the unit on listen, if you notice a humming sound like an ac hum than this might be your problem, other units use a relay to start the compressor motor and if this relay is defective your compressor is remaining in the start winding position and will also consume excess current, obtain a diagram of your unit and this will indicate the type of start device employed and go from there

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In this case where fans do not turn on at times or in case it turns on but with a humming noise, the possible culprit is its compressor. The compressor of your fan might have been damaged or burn out. This means that the internal wiring of the motor has become irreparably damaged. In this case, consider replacing it with a new one. Thanks

The compressor coming on does make a slight "humming" sound which is normal. Is the unit cooling properly? Do you think it is louder than before?

try running up this motor when its not installed on the compressor,, if it still blows the trips the motor is faulty,, if it runs ok, but hums when reconted to the compressor the compressor if far to tight for the motor to turn the compressor,,,you can not reset the points in a breaker trip they trip at a set curent if the motor is pulling more amps than the trip is set for it will trip the trip to turn off the curent, the motor will pull far more amps than it should if its over loaded thats why its humming its trying to spin up it but cant so it just keeps pulling more and more amps till the trip cuts out

Are you sure the humming noise is from the compressor motor being locked up? It is normal for the compressor motor to make a humming noise when it runs. Make sure the fan in the freezer is also running while the compressor motor is running and replace it if necessary.

You need to defrost the coils in the back of your freezer. You can do this the slow, easy way by simply unplugging the refrigerator for 24 hours. Leave the doors open to ensure everything has the chance to melt.

The fast way to defrost the coils is to turn off the refrigerator and remove the rear panel from the freezer compartment. You will see the evaporator coil completely frozen with ice. Thaw the ice with a hair dryer and make sure you thaw the drain at the bottom of the back wall as well.

When you turn replace the freezer panel and turn the refrigerator back on, it will get cold again.

Sounds like you have either a bad fan motor or a bad fan motor capacitor. When you turn the unit on with the fan not working, the compressor (the humming noise) runs and gets real hot real quick resulting in the compressor cutting off ( the nothing after) on it's inside high temp switch. This is what the compressor is designed to do so that when this happens, it does not burn the compressor out. Replace you fan capacitor, give the compressor an hour to cool, then try it. In most cases and if I'm correct, the unit will run just like you want it to. Good luck.
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The condensor fan should be sucking air from the top and blowing it through the coils, probably a counter clockwise direction. The buzzing/humming sound is confusing to me. A humming sound sounds like a motor that can not turn over to start. A starting capacity would be needed. Just because you changed it out last year does not mean it is good. A buzzing sound sounds like a contactor problem. Contactors buzz and after a while, they will fail. In any case, you can "stick start" the condensor fan PROVIDED you are sure the ac compressor is working (this is for a short and temporary use). Also, you may have a high load duty capacitor that assists in the unit running. This will affect your condensor fan operation if it is not good. Unless you know all the components and operations of ac electrical, I would highly recommend calling out a professional.

hi there,
defective fan motor,this means stuck up motor the running winding is functioning but it can't star to drive your motor so the current inside motor produce vibration that why it create humming, several causes to be consider, bearing are worn out,defective fan capacitor, the fan is obstructed by object.there is no supply on starting capacitor,check if there fan relay overload protection reset it on control panel,
also,if humming is came from compressor,definitely because
fan is to reject heat,if no fan compressor will hum due to refrigferant in the system is not flowing,on high side,have this check by a/c technician nearewst on you.have a nice day dont fforget to rate me ,thank's