2 year old Goldstar GW-HD5000 icing up overnght and looks like it's leaking on the outside
Our 2 year old window mount A/C seems to ice up more quickly than it did originally. It iced up last night and even at 94 degrees outside when I started it up today at 4 pm it sounded like it still had bits of ice inside, and immediately upon start up you could see small rivulets of water on the mesh screen on the part of the unit that is outside of the house. Is this anything to be concerned about? The warranty has expired and the unit cost around $100 new, so if a big repair is necessary I'll just replace it.
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Sounds like you're using it when the outside temp is cooler than the inside temp. when this happens, frost will build up on the condensor. Turn the unit off until the ice melts off with a shim under the unit tilting it back towards the outside of the window to drain. If it continues to drip after melting all the ice off and letting it dry out, you have a small leak in the condensor, (unit must be old or worn out) that the freon pressure has leaked out causing it to condensate more. A good checklist would be to check the level of the unit, make sure the coils are clean and not bent, the age of the unit and for small areas of corrosion or white marks on the condensor before replacing it.
The a/c could be slightly leaning toward the inside letting the water drip in or the drain hole which allows the water to drip outside could be stopped up. Find the hole and blow through it with compressed air to unstop it.
Low gas pressur causing the unit to overwork/heat, water trap coolant service port blocked. Some machines need 1/2 liter of water pouerd into a reservoir on the rear to aid cooling the heat exchanger, if this is dry it will overheat. cheakc the filters if it has any.
To prevent any problems with your A/C it would be a good idea to make it run at least a few times during the winter(or once a month is better). See if the rattling goes away after some use. The lubricant will start flowing again( protect the compressor). Otherwise, the mountings could be loose(would need tightening) Also service the a/c. clean the fins outside and make sure air flows through them. last, service the freon