Question about Mitsubishi Mr. Slim MXZ30TN Air Conditioner

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We have just had the MSZ-GE12NA installed and it was working at first (installed on Thursday). Yesterday the outside unit froze up, after dethawing and turning back on again, the cold side of the unit had 45 degrees, the hot side was at 83 degrees, but all 4 lines going to the inside units were registering 72 degrees. When the inside units are off, it the inside unit cools down to 35-40 degrees but when you turn them on, the air coming out is now only 72-73 degrees.

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Doesnt sound like the compressor is running it may be a bad capcitor are the coils clean and do you change the filter often as you should

Posted on Sep 11, 2010

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