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to me it sounds like filter are dirty, need to be cleaned or replaced,
home systems, packaged or otherwise are hermetically sealed and should
not need freon recharge. Always start with airflow and/or unit being set
too low. An AC unit of any type will build ice if a) the filter is
plugged up and can't move enough air, b) it has been run without the
filter, clogging the coil, again, not moving enough air, c) setting an
AC unit below 68 degrees F will almost ALWAYS cause icing, and d)
running a standard AC when it's warm inside and cold outside (unless
equipped for "low-ambient operation"). When in doubt, a bit of
maintenance(thorough cleaning) by someone with AC skills can cure a b,
common sense will cure c d.
A lot of people have only one or two rooms that can take an air conditioner in the window. Often times, the air conditioner is also rated at a cooling power that would make you believe that there is no way that it can to cool the whole house/apartment. You can crank it to the max to try to cool as much as possible, but then this makes one room too cold and the others still stay too hot. You can try blasting the cool air down a hallway with a fan on maximum speed, but that only works so well. And, it's noisy, too. Well, I have two 260 sqr ft rated room air conditioners and I am cooling 2000 sqr feet of house to a comfortable 72 degrees in all rooms and it's been 95 outside all day. How to do it?
The trick is setting up your home to take advantage of laminar air flow. Set your air conditioner to say 68 degrees and start it in the middle of the morning before it feels hot outside. Put the AC deflectors pointing downward and towards the door. Put fans in the doorways pointing out of the rooms that have the AC. Point them level to the floor (not up) and put a fan to one side near the end of long hallways. Set the fans on the lowest power setting (not high). If the hallway branches out into a bigger room, put a fan in the room that is blowing across at a right angle to the entry, pointing the air flow parallel to the wall. This will circulate the cool air around the room. Keep the fans on low and pointed parallel to the floor, not up!
What you have created is a re-circulating air flow system, much like the North Atlantic Current that moderates the temperatures of Europe. You can check this by taking a tissue paper and holding it up to the top of the doorway. The air flow should be pushing the tissue away from the room without the AC and toward the room with the AC. This happens because the warmest air will be toward the ceiling and you want that warm air to make its way across the ceilings and back to the room with the AC, so that it can be cooled again. The cooled air from the AC will sink to the floor and the fans will gently push the air out of the room with the AC. It will stay low and travel along the floor in the opposite direction and into the warmer rooms. If you crank your fans up, you will create turbulent flow and that will not cool your house as efficiently as will laminar flow. Monitor the outside temperature and when it gets cooler outside by a few degrees, turn the AC to fan for about 10 minutes to eek out the last of the cooling. Then open the windows for the night to take advantage of the free cooling that nature provides. That's it! Enjoy the summer!
If the the AC doesn't get the cooling then the main reason will lack of freon gas.
Is the fan works perfectly. Also check the fan is it working perfectly. If the fan is ok then you have to refill the freon gas again.
The fan motor is getting hot and going off on the internal overload in the motor. This is caused by either a low voltage, a bad capacitor, or tight or dry bearings in the motor. To check the bearings turn the power off to the unit, then spin the fan blade if it spins freely then the bearings are ok. To check the capacitor you will need some kind of tester or you can buy a capacitor and replace it, that's what a lot of people do. They usually don't cost very much. To check the voltage you will need a voltmeter and measure the volts at the unit.
Welcome to fixya.
I'm Huuum and happy to assist you,
You said, it is not blowing cool air after you emptied the tank.
Turn the unit off and unplug it for 5 minutes.............
Then back in with the plug and turn it on max cool.
Give it 5 or 10 minutes to get cold, and we will see if this procedure has reset the system.
Then get back to me and let me know it's working!
How old is the unit?
Please remember to leave a rating before you go!
Thank you Huuum
It sounds to me like you have a weak run capacitor on the compressor. This will cause the compressor to be able to run for a short period, but it will be overworking itself to compensate for the weak capacitor. It overheats, shuts off to protect itself, cools down and restarts again. If you have it set to 10 I don't think you would be comfortable in the room if the thermostat was satisfying and turning the unit off. An a/c tech can replace the weak capacitor, but the cost of repair will probably rival that of a new unit.
Are you saying that you have plugged the aircon into an extension lead then into a socket in the wall and that the smoke was coming from the extension lead part. If so I would suggest checking all your plug in connections and chenge the extension lead. A quick way to check the compressor is a cause is to put the aircon to fan only and see if it fails to trip out the circuit breaker, then put it back onto cooling and see if it trips (if it does on cooling then its a good possibility). Most aircons have a three to five minute time delay for starting the compressor to protect against power fluctuations (ie power cuts). Hope this s of some help.