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Air conditioning unit

Hi--my air conditioning unit comes on --System-on, Fan-auto-- but the air that is coming out is not completely cold. It feels cool to me; bordering on lukewarm air. It's been on for about 3 hours and the temperature has not dropped in the room. We have the same unit upstairs, and the temperature has dropped and the air is very cold.

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  • 3rdbay Aug 17, 2008

    Our air conditioner has worked very well for the past two summers. We keep it on all of the time during hot days. Suddenly it started to make some querky noises and the air is not near as cold as it use to be. There was some water leaking but then it stopped. It was given to us so I do not have a manual. Is there some sort of maintenance that I am unaware of?

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It sounds like both of your units has a refrigerant leak, if its not still under warranty, time for a new unit.


Greg.

Posted on Aug 18, 2008

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I have a digital Honeywell thermostat that has a blinking snowflake. When the thermostat is on auto mode it does not turn on. When I turn the thermostat to fan I can feel and hear the air blowing out of...


If the thermostat has a blinking snowflake then it is in time delay mode which sometime can take between 5 to 7 minutes before it will turn the AC and Fan On......Then it will go to a solid snowflake.
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Welcome to FixYa,
Check the Following
Is your filter clean? Look and the evaporator in the inside unit. Is it frosted up? Do you have condensation water in the pan? Go to the outside unit and feel the air coming out of the fan. Is it warm? Now feel the 2 copper pipes coming out of the unit. Is the small one warm or hot? Is the larger one cool ? Is there moisture on it?
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Another likely home air conditioning problem if you have good airflow but no cooling is that thebreaker to the outside unit is shut off, which, depending on the installation, can either cause the air conditioning system to not run at all, or to appear to be running but not provide any cooling. If you can hear the compressor fan running outside, the breaker is on, but if the outside unit is silent the outside breaker may be off. If switching it on does not solve the problem, look for the high pressure cut outon the condenser and try resetting that.

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Welcome to FixYa
Check the Following
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