My AC keeps freezing?

If your fan on the outside isn't blowing it could be a bad capacitor or the fan motor could be bad. If your fan motor is running on the outside but not cooling it is more than likely low on freon. When it freezes up go to the thermostat and turn the a/c off and the fan to on. Let it run for a few hours to defrost the lines and call your a/c maintenance person. If it stops cooling over a period of time you could have a leak. A few days it could be a good size leak. Check to see if you have a warranty.