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Ac/heating unit not working properly. If the temp outside drops to around 40 degrees the unit will shut off and not come back on until temp outside rises to above 60

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  • carolmiller9 Dec 07, 2008

    We have not pin pointed the exact problem but this is definitely the right direction. Thank you very much

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  • 85 Answers

Check your filters, make sure they are not dirty. Make sure your outdoor sensor is working properly. If it is then check the setting on the defrost timer. If you don't know how, you'll have to call an expert to come fix it. Diagnostic fees generally are around 65 to 125 depending on time and contractor.

Posted on Dec 06, 2008

  • Armando Bernal Dec 07, 2008

    I appoligize for not being able to diagnose an excact problem, perhaps, repost and another expert here may have more options. It's difficult to give advise a a non-trained person regarding Heating, and Air Conditioning equipment, I hope you find your problem.

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