Question about Heating & Cooling
The fan may be stuck because of foreign material or the fan motor bearings are stuck. There would be two sources of the heat - the fan motor is hot because it is overloaded, and the compressor and condenser are overheating because the fan isn't running. I suspect the hum may be from the stuck fan motor, but it may be compressor sound you normally do not hear over the fan noise.
It is possible the fan motor is not getting power. A quick check for this is to remove power from the air conditioner, then cautiously feel the fan motor housing (you would have to remove the fan guard to do this). If it is cold, there is no power on the fan, but if it is hot, the motor is getting power but is unable to turn. You do not want to do this with power on - if you should somehow un-stick the fan with your hand in there, you could be seriously hurt.
Posted on Apr 08, 2011
You need to turn off unit. The condensor fan motor is not allowing the heat to excape. If you dont have any type of head pressure control you will burn up the compressor, Check the fan body and see if its hot and see if you can turn the blade. if its hot let it cool down overnight and try to start it in the morning. Sounds like you have a bad condensor fan motor, let me know if i can be of any more help.
Posted on Apr 08, 2011
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Posted on Jan 02, 2017
SOURCE: outside unit will not come on
could be the slow blow fuses in the disconnect box. check them for conntinuity if you don`t get continuity replace the fuses. check for power @ the contactor. the contactor is where the wires from the diconnect box attach to the ac. check both sides make sure your getting 240v be careful not to touch the wires ofcourse. if your getting power change the capacitor. may need a hard start for the compressor as well.
Posted on Sep 02, 2009
SOURCE: Fan outside isn't running and
The fan outside keeps your compressor cool, the compressor, if left running without the fan running to cool it down can get damaged, the fan normally gets its power from a switch box located outside or near
it. or the motor on the fan could have just gone bad. the fan motor is not as expensive as the compressor to replace. its easy to replace. sometimes what goes out 1st on these motors is the capacitor,the capacitor stores enough voltage to give the motor that extra push to turn. many times its just the capacitor that goes out. when you purchase a motor make sure you also get the matching capacitor.if you can turn the fan and it starts running, its the capacitor, if it starts running and has any kind of bearing noise then you will have to replace the motor. good luck!
Posted on Aug 08, 2011
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