I noticed that there is a think blanket of ice forming in the coil fins of my Window airconditioning unit. It seems the ice is "blocking" the air coming from the fans of the AC unit so, there is less cold air coming from the unit because of the ice. What seems to be the problem??
Set your unit to fan mode only, to thaw the ice, after the ice melts, look at your evaporator coil, see if its dirty, if its dirty, then you might just need a good cleaning. if the coil is clean, look at your thermostat setting. it should not be all the way cold. the compressor would run continously and it would freeze the coil. third, the refrigerant system could be partially clogged up or it lacks refrigerant. these problems initiate freezing of the coil.
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My R.V.unite is ducted in ceiling.If the unite run for 3 or 4 hours even on auto the evap. will freeze up.
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