All AC Systems need to cycle on and off to work efficiently. If you have your AC set so low that it can never get to that temp, and the compressor never turns off, it will most likely ice up. Set the temp so the Compressor cycles on and off, turn down a couple of degrees and run for awhile, if it does not cycle, well you have to live with the slightly higher temp. It can also be low on Freon, that causes icing as well. But, trying to make the temp lower than it is capable of is far more common.
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Steve
Golden CO
2016 Grey Wolf 26RR Limited
92 GMC K2500 454
2006 Honda Rubicon ATV
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