Question about Sharp CV10NH Air Conditioner

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The AC doesn't seem to cool when the temperature in the room in really high, in the range of 90-95F. It works for 3 minutes, and then stops for 3 minutes. Also, I have read the booklet that came with it, and it says that it's not supposed to work when the temperature is over 95F. What kind of a silly rule is that?! I mean, that's why I bought it! Is there something wrong with my AC, or is this normal?

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  • Sharp Master
  • 43,501 Answers

Hi,
What happens is that the high pressure side gets too high when the temps are very high...that is why it is shutting down....without getting very technical there are good reasons why they would set this unit up to work at temperatures 95 and below...
try to get the room temperatures below 95 and then make sure you leave it run so that itmaintains rather then shutting it down and trying to reagin the cool again... this is actually more efficient if you are not away for days at a time...
So yes, that is very normal...

heatman101

Posted on Aug 31, 2010

Testimonial: "Thank you."

  • Coconut-Lime Jun 11, 2011

    We have one that worked for years. Now it blows cool air out the exhaust (used to be hot air) and the compressor kicks-off just seconds after attempting to start up (the lights dim just a bit while this occurs). Don't know what to do about it. Don't have a sales receipt, but Sharp said the compressor is probably still under warranty due to the date code "07 A". Can you please elaborate some on what this problem could be?

  • Randy Buck May 12, 2014

    More than likely it has a bad run capacitor for the compressor. They are fairly inexpensive to replace.

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