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Old 04-26-2009, 06:48 PM   #1
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Compressor Fan motor


Hello first time posting. I have a Carrier A/C unit and yesterday the compressor fan motor did not come on when it was supposed to. I went and checked it and it sounded like it was jammed or something "motor trying to move but nothing would happen" I moved the fan with a stick and it the fan began working on its own. As the day went on I realized that the fan would continue to not start on its own but work if I got it going. I took the fan of and it looks like the bearings are fine. Would this be typical of a bad motor or something else. You help is greatly appreciated.

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Old 04-26-2009, 07:13 PM   #2
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Compressor Fan motor


check the start capacitor

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Old 04-26-2009, 07:35 PM   #3
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Compressor Fan motor


Ain't got a start capacitor.

Its a run capacitor.

Trivial, until you use a start cap and burn up the motor. Or worse.
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Old 04-26-2009, 07:41 PM   #4
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Compressor Fan motor


How do you check the capacitor? From the reading I have been doing it is a dual purpose capacitor. The motor is a HC39GE237A with 3 wires (brown/yellow/black) coming into it.
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Old 04-26-2009, 08:15 PM   #5
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Compressor Fan motor


mis worded.. My mistake.. Yes it's split part for comp & part for motor.. There are cap. testers . You can use v m. to know if it's gone.. Some will look bloated. Like they are about to expload
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Old 04-26-2009, 09:08 PM   #6
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Compressor Fan motor


Quote:
Originally Posted by TiAgM3 View Post
How do you check the capacitor?
You'll need a DVM, a 9v battery, some clip leads
http://www.positiveoffset.com/Parts/BanGatorLeads.jpg
and a one megohm resistor from Radio Shack.

Can you post a photo of the markings on the cap? Look for "uF".


Last edited by Yoyizit; 04-26-2009 at 09:23 PM.
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