Question about Mitsubishi Mr. Slim MXZ30TN Air Conditioner

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My unit comes on for a few inutes then turns off. It is blowing but not really cooling

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It sounds like you have a refrigerant leak somewhere and your unit is low on refrigerant. You need a pro's help here to find the leak and recharge your unit properly.

Posted on Jul 21, 2010

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Has unit lost gas charge ? Remove shroader valve cap on outside gas pipe connection and depress shroader valve quickly to see if there is a good high gas pressure. If no, or low gas pressure, need to find leak and repair it and regas unit to correct pressure.

Posted on May 21, 2010

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You may have to check the timer on your remote it may be set at a shot time period to come on and off if not the senceing bulb under the cover of the inside unit may be touching the coil if the unit if not so check the remote and see if it is on AUTO if so change it and put it on cool

Posted on May 03, 2010

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