11:16PM | 05/26/02
Member Since: 01/14/00
5 lifetime posts
help!! I have a room air conditioner and even after cleaning filter it keeps freezing over. How might I stop this or what is causing it? Any thoughts??


09:36AM | 05/28/02
Member Since: 03/13/00
1675 lifetime posts
Freezing up is usually caused by low charge. Have it serviced.


10:50PM | 09/28/02
Member Since: 09/27/02
14 lifetime posts
also you make sure the unit is set into the window at an angle so that it drains properly.


09:50AM | 11/09/02
Member Since: 11/05/02
6 lifetime posts
Freezing of the coils could be a number of things. You need to have the coils( not just the filter) cleaned at least once a year. You also need to check you thermostat setting to make sure your compressor is cycling correctly. Don't always "assume" that the unit is low on refidgerant.


10:19AM | 11/12/02
Member Since: 11/11/02
2271 lifetime posts
Complete frosting (white, snow-like substance) of the evaporator (cooling) coil is either caused by running the unit when inside or outside air temperature is below 70°F (most common) or poor air flow. If running it at night when temperatures fall, turn the thermostat to one of its lowest settings.

Poor air flow could be caused by a dirty filter, plugged evaporator coil, loose fan blade, motor turning too slow, curtains or other obstacles directing the cold air directly back into the A/C.

If the unit were short of refrigerant, the evaporator coil would only *partially* frost.

Dan O.
The Appliance Information Site


[This message has been edited by DanO (edited November 14, 2002).]

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