Window air conditioner - leaking inside - water is stuck in styrofoam near fan - how do I fix it?

First remove the unit from the window, then take off all the outer coverings and VERY GENTLY run a water hose through both the inner (evaporator) and outer (condenser) coils. Clogged coils will cause ice buildup. Also find the condensate drain make sure it's not clogged. That will cause the water to back up and leak inside. Reinstall the unit with the consenser lower as the water should drain outside.

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Window air conditioner - leaking inside - water is stuck in styrofoam near fan - how do I fix it?

I have a Quasar in window air conditioner - fixing it currently. My sisters said it leaked inside. I had it running for a while and noticed, the front radiator (?) is now populated with ice and their was water in the front. I leaned it back, so that the rear is lower than the front, to be able to...

Quasar Air Conditioner

In general, most window a/c units have drain channels stamped in the bottom metal housing which direct the flow of condensation/water from the front "radiator" (it's called the evaporator) to the rear and then exit drain holes in the bottom sheet metal housing. As warm, moist interior air passes over the evaporator, moisture in the air will condensate on the radiator tubes and fall to the bottom which must be allowed to drain backwards to the rear of the unit. It appears that the drain channels in the styrofoam or metal a/c housing are plugged from debris, dead insects, spider nests, etc... and not allowing the condensate/water to drain to the rear and out the drain holes. You should be able to remove the front panel/ faceplate of the unit ...most just unsnap from the sides or are held in with a couple screws....and look inside the lower front edge under the radiator or where the styrofoam is attached and clear out any drain channels with a wire coat hanger or long screwdriver. Tilting the a/c unit so that the rear end is slightly lower than the front should help allow water to drain to the rear and out the drain holes....which you seem to have done already.

http://www.fixya.com/support/t5861002-quasar_cool

http://www.ehow.com/info_8758807_air-conditioner-l...

Check to see if the drain holes on your AC unit on the outside of the house are filled with trash . Sometimes leaves fall in this area and rot . This stops up the drain holes so that water is slow to drain and causes it to overflow into the house . Sometimes a good washing down with a hose pipe from the outside will help keep this clean .