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Old 07-25-2010, 11:09 PM
 
672 posts, read 1,845,097 times
Reputation: 1176

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A big storm just went through. It had a lot of rain and lighting. My a/c unit starting making a loud clicking sound. It was faster than one click per second. Maybe 2 clicks per second. I quickly hopped out of bed and turned the thermostat up to turn the unit off.

I went out to look at the outside unit where the sound was coming from. I didn't see anything out of the ordinary.

I waited 15 minutes and turned the thermostat back down so I could look at the unit while it made the noise. Of course, it's now not making the noise.

Does anyone know what this might be and should I have someone out to look at it? What I am afraid of is to go to work tomorrow and the unit starts acting up when no one is home.

Thanks
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Old 07-25-2010, 11:56 PM
 
48,516 posts, read 85,166,320 times
Reputation: 18084
Rain hittting the fan blades?
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Old 07-26-2010, 04:39 AM
 
672 posts, read 1,845,097 times
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Quote:
Originally Posted by texdav View Post
Rain hittting the fan blades?
No, it wasn't rain. Thanks texdav for offering ideas.

The storm was letting up at the time the clicking started. After I turned the thermostat up and went outside, the rain was light. I mentioned the rain b/c I thought the tremendous downpour might have affected the contactor or some other part.

Last edited by Mary Ann789; 07-26-2010 at 04:57 AM.. Reason: added more information
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Old 07-26-2010, 06:25 AM
 
Location: southwestern PA
20,419 posts, read 38,484,419 times
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Mine was clicking last week, until DH opened it up and got the small acorn out....
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Old 07-26-2010, 11:05 AM
 
Location: Jacksonville, FL
7,391 posts, read 8,012,680 times
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It is entirely possible that something fell into the unit and got caught up in the fan blade. The blade turns fast enough that it can bounce stuff around indefinitely. Once you shut it off and the blade stopped, whatever it was fell to the bottom.
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Old 07-27-2010, 11:12 AM
 
Location: South Central Texas
114,227 posts, read 55,137,064 times
Reputation: 163860
Central or window unit????
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Old 08-02-2010, 11:20 PM
 
27,904 posts, read 34,902,551 times
Reputation: 4035
Check the fan blade. The other possibility is contactor chatter. Something that happens when something gets in between the contacts or when the contacts go bad.
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