Fan wont start on its own.


  #1  
Old 09-07-02, 07:06 PM
Bill Locke
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Fan wont start on its own.

Neighbor has a 12 year old Trane Central Air. Outdoor unit fan wont spin without push. After assist, it operates normally. Any Ideas?
 
  #2  
Old 09-07-02, 07:37 PM
Nominal
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Sounds like it may have a bad capacitor. If you have an ohm meter, turn of power to the condenser. Remove wires from capacitor. With ohm meter touch each post with a lead. If meter goes up and stays, the cap is shorted. If it doesn't move it's open. The meter should jump slightly and then fall. With a small cap like the fan motor cap, look close, because its just going to move barely anyway if its good. If you have a cap that operates both compressor and fan motor, it will have 3 prongs. Test the c terminal and fan(f). Also after each test you have to alternate leads on the terminals.ie if you have black and red leads and first test black is on c and red is on f, then for second test you have to put black on f and red on c.
 

Last edited by Nominal; 09-07-02 at 07:54 PM.
  #3  
Old 09-09-02, 05:41 PM
Bill Locke
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Fan Motor

The capacitor was the culprit. fixed. Thanks!
 
 

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