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Old 10-23-2008, 10:49 PM   #1
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AC Not cooling

I just changed my air filter on my AC unit and all of a sudden its not cooling anymore. It was cooling fine b4 I changed it and now it wont go any coolder than 74. Any ideas what could be wrong here? The unit is only 5 yrs old.

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Old 10-24-2008, 03:01 PM   #2
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AC Not cooling

Unless you switch off something or had a loose wire or something like that in the process of changing the filter the unit won't stop cooling just because you changed the filter. Check the area that you work on and see if you mess up something in the process first. Hope this helps.


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Old 10-24-2008, 03:16 PM   #3
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AC Not cooling

If it's pulling down to 74 do you mean that the a/c is running but now won't keep the usual temp you set it at.

Only thing comes to mind is the blower door switch might not be closed aLL THE WAY .

Was the temp higher then normal when you changed the filter?
Just slow, not stupid.
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