Fan running backwards, but not all the time...ideas?


  #1  
Old 06-28-14, 07:12 PM
C
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Unhappy Fan running backwards, but not all the time...ideas?

Hi:

My compressor fan will run backwards from time to time..but when it reaches the desired temp and the thermostat cuts off and then cuts back on its 50/50 if the fan will run forward or backwards. If it runs backwards then I can turn the unit off and then back on and it will usually change directions. Any ideas?

Thanks in advance,

Chris


Separated from........... http://www.doityourself.com/forum/ai...backwards.html
 

Last edited by PJmax; 06-28-14 at 11:16 PM.
  #2  
Old 06-28-14, 11:18 PM
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Welcome to the forums.

What is the make and model of your outside unit ?
It may be a defective start/run capacitor on the fan motor.
 
  #3  
Old 06-29-14, 01:35 AM
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I have replaced the run cap with this problem before and had to return and replace the motor within a week.

Run caps are cheap and it would be worth trying only the cap first.
 
 

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