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Re: Window air conditioner storage
Sure you can but you have to prepare it for the winter.
re-oil the fan motor and make sure you wrap the whole unit up with a plastic wrapper just like the one used in the kitchen, the one that you can stretch to cover a whole stainless food container. then put it in a box to further keep the moisture away.
then after the winter and you want to use it again, unpack it and inspect the fan motor. make sure that it is freely moving without binding or sticking. let it stand for a couple of hours so that if there is dew inside , it would evaporate first . then you can use it again.
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Freezing up is caused by
•dirty air filter or evaporator coil(indoor coil)
•dirty blower wheel or blower fan blades
•weak or slow blower motor
If air filter and indoor coil are clean may be low on freon. Blower wheels seldom get dirty on window units. Pull unit from window and clean both coils with a water hose. Careful not to get any electrical wet. Let dry for a while and reinstall. If it continues to freeze its a freon problem most the time.
What may be at issue is evaporator icing. Some units cycle the compressor, others control the refrigerant to keep the evaporator temp just above freezing. If allowed to continue the evaporator would freeze over and air flow would stop....
Check and see if that is the case...
COILS USUALLY FREEZE UP DUE TO INSUFFICIANT AIRFLOW ACROSS THEM. IF THE FILTER IS DIRTY, THEN IT SHOULD BE REPLACED IF IT IS DISPOSABLE, OF CLEANED IF IT IS A PERMANENT ONE. THE ONLY OTHER REASON FOR A FREEZING COIL IS A LOW FREON CHARGE. IF THE UNIT HAS A LEAK, AND IS STILL UNDER WARRANTY, THEN RETURN IT TO THE MANUFACTURER. HOPE THIS HELPS. THANKS FOR AN HONEST RATING AND FOR USING FIX-YA. GOOD LUCK
There are 2 causes for freezing. Lack of air flow or shortage of Freon. After defrosting, start the machine and look for an even pattern of water condensing on all the coils. If the cooling is even and complete on all the coils, see if the coil is so dirty that it restricts the air flow. The fan blade can build up dirt and need to be cleaned, too. If the cooling (condensation) is not complete, you have a Freon problem. Some of it could have leaked out or the metering tubes could be partially pllugged up (on the inside of them).
Mine has done this alot, mostly because I live in a state with ALOT of wind, and in an area with ALOT of dirt. Sounds like your coils are dirty. Try cleaning it out, or having it cleaned out. If you spray it with water just make sure your compressor is facing up and you don't use too much pressure. Hope this helps
If it's not some sort of built in economizing feature, someone else isn't getting up and changing the temperature while you are asleep and the air conditioner fairy is playing tricks, then the control PCB is in need of repair and will have to be repaired through a sears authorized repair center.
I am a bit surprised that it will allow you to set the temperature to a low 70 degrees as this is pushing the limits of an air conditioner. They tend to freeze the coils at around that temperature.