Our Ac wall unit is about 3 years old. Noticed that the coils and the insie of the unit is iced up and causing the ac to leak inside the house.riella
It is cooling, but need to make sure we are not in any danger if still operating it.
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Please check the filter. The filter is located behind the front grill. If there is a lot of dust & dirt on the filter, it will reduce the airflow over the coil significantly - causing freeze ups. A filter that is missing will require a thorough cleaning of the coils to remove the dust and dirt, then installing a replacement filter. There are products sold at hardware stores, home improvement centers, etc. designed specifically to clean these coils easily. You should be able to get a replacement filter for the AC from Sears.
If the filter is present and clean - there could be a problem with the refrigerant charge, or other problem. Many times, an AC units of this small size, it is cheaper to buy new than invest in repairing a 3 year old unit.
If you have ice on the Line you are iced up. If coil is iced no air can get thru. Now First. Turn of ac and turn fan to on posotion. That will thaw unit. Let it run 45 minutes. That should do it. If the fan is not running you amy have a bad fan relay. One of the reason iced up unit is dirty evap, coil inside. Try to thaw it out first. You can clean the coil with a stool brush. Does not damage the coils. Good luck
1 and 2 there two type of motor 1 has lubricating acces this youshould lubicate the other no noacces. but commonly if you lubricate and still noisy you change the bearings qty2 or sleeves qty2
2- common cause of ice
- thermostat on min setting
- thermostat defective
-air filter is very dirty
-evaporator is cloged no air pass throu
- loss of freon ( a/c is leaking)
Four things cause icing up:
( 1 ) Is your filter clean? dirty filter blocks air flow causing iceing up. replace filter
( 2 ) Do you hear the Indoor fan running? If the fans not running the unit ices up. Check Capacitor to fan if good.
Bad fan motor... replace fan motor and cap. If both good
( 3 ) Check Air Handler evap coil if dirty and or clogged, restricts air flow causing unit to ice up. Use toilet brush to clean.
This is always a big possibility if you have pets.
( 4 ) If the above are not present then you are low on refrigerant.
Low refrigerant will cause icing up because the gas does not flash properly. This will require a service tech.
refrigerant leaks can be as simple as a loose cap on the king valve, leaking schrader core, to coil leak.
Have the service tech show you the leak. If it is in a copper line it can be fixed. If the system is over 10 years old limit the amount you want to spend. 10 years is the standard life expectantcy anymore. Good luck
set your unit to fan mode only, to thaw the ice, after the ice melts, look at your evaporator coil, see if its dirty, if its dirty, then you might just need a good cleaning. if the coil is clean, look at your thermostat setting. it should not be all the way cold. the compressor would run continously and it would freeze the coil. third, the refrigerant system could be partially clogged up or it lacks refrigerant. these problems initiate freezing of the coil.