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Air Conditioner comes on but outside fan wont start unless I manually start it....how do i replace capacitor and how would I know if it is a capacitor issue? Please Help

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First mark the wires and make a diagram so you can reconnect it. Next remove the capacitor. You can take it to a heating and air supply and they will test it for you. They will also sell you a new one. Use your wiring diagram to reinstall the capacitor wires. It sounds like your problem is the capacitor.

Posted on Aug 02, 2010

  • fkfrnndz Jun 27, 2011

    tried that solution on my unit fan would not turn at all with new capacitors 2 sets of them. Started fan manually for a few days now won't turn compressor shuts off in 10 seconds or less.

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1 Answer

Rudd air conditioner outside fan won't start


I just had the same problem. I replaced the motor with no luck. It turned out to be a bad capacitor. If it is a dual capacitor, three prongs on top, it also starts the compressor. It is recommended to replace the capacitor anytime you replace a motor. I would try replacing the capacitor first. It is a lot cheaper that a new motor. If that does not fix the problem then you can get a motor. No harm, no foul. The slow start of the motor is a common symptom of a bad capacitor. The motor is not getting enough voltage. The capacitor increases the voltage like a transformer. It will boost it to almost 400 volts, depending on your unit.

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I have a carrier 38ckc030 air conditioner. the unit outside is not turning on. it sounds like it wants to and if you manually spin the fan it will slowly build up speed, but the air coming into the house...


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1 Answer

Fan wont come on outside


Ifthe compressor comes on but no fan.
Feel of fan for excessive heat
Check fan for replacement.
Also check fan capacitor
If compressor and fan don't come on check voltage
and check double capacitor
If this was helpful please rate me.
Leo Ponder Appliance-Tyler,Texas
imufo2@sbcglobal.net

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1 Answer

Ruud 10 seer fan outside made low grinding noise then stopped working.


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1 Answer

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1 Answer

My air conditional unit outside ,fans turns on but the unit compressor wont turn on,just stopped working this morning.i turned the thermostat to 72 but only the fan on the outside unit comes on and it is...


Somethings aperson cant fix without a service tech. First it could be wire burnt of capacitor going to compressor. Second it could be bad capacitor. There is a dual capacitor on the ouside unit one side says herm that runs the compressor. Turn power off to check to see if wire is burnt of the herm terminal or the C ternminal. Wire burnt off compressor common terminal.. Could be locked up compressor. Unless you know how to troubleshoot unit. You may have to call service tech. Cost if bad cap. is about 100 to 150. But unit wont run without it. Rus

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