Question about LG LS-L1210CL Mini Split Air Conditioner

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NOISY FAN ON CASSETTE UNIT

I AM A HEATING & A/C CONTRACTOR, HAVE A CUSTOMER COMPLAINS THEIRLG CASSETTE UNIT WHISTLES AT LOW SPEED.
FILTER IS CLEAN, COULD NOT FIND MODEL # ONLY SERIAL#605KANY00071. PLEASE E-MAIL POSSIBLE PROBLEMS.
ALSO NEED NEAREST SUPPLY HOUSE FOR PARTS IN CODE AREA
60510

THANK-YOU LEROY

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  • 30 Answers

Hi,
Probably Ball Bearing Problem Replace Axial Fan Motor Ball Bearing Will be ok Almost Done

Good luck

Posted on Feb 16, 2009

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1 Answer

When a air conditioner freezes up can one put it on fan low speed


If the unit is freezing up then you have a problem. One is the air flow is to low going through the evaporator coil this could be caused buy a dirty filter, dirty coil and fan blade or low freon charge. the lower the fan speed the colder the coil temperature. the coils and unit should be cleaned every year. running your unit on low is not a good idea.

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I have a continental elec port. air. Not sure of model. Cools great but when compressor kicks on unit make a loud whistling noise. Cleaned filter no help.


although annoying, at this time i would not mess with it, the fan motor needs oiling (zoom spout oiler ) works the best .. you can find how in my other postings.. try running the unit on a lower fan speed... some cool is better than NONE

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Do you know of a way to slow down the LOW speed fan setting on a Kelvinator KSE70HRA air conditioner? Low is very noisy and blows air like a HIGH setting.


Hi, no, im sorry if it is on low already, it can't be changed to go any lower. The only thing I can come up with is the fan motored is wired wrong, and they have the high or med lead connected to the low speed, as it should run slow. On a central air system, there is a board that is in the indoor unit that shows the fan speeds, and they can be changed.I didnt look up your unit, and if it is a central air and not a window unit, you can change the speeds at the board. The wires are colored, blue is normally low, red is Hi, and blk or yellow is med. If this is a window unit, there is nothing much you can do. If you know anything about electrical, and you have a 3 speed fan, pull the cover to get to the switch back, and see what leads the have terminated to the switch. They may have it miswired. I wish you the best of luck,
Shastalaker7
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Jun 12, 2011 | Air Conditioners

1 Answer

My Goodman GSC130361DE 60 Htz has problem with coils iceing up. Cleaned several times.


Hi, I am assuming you are talking about the indoor coil icing up when you are in cooling. The reason I am asking this as this appears to be a heat-pump and they will ice up in the winter at the outdoor unit. I will go with the indoor coil. If the indoor fan is blowing up to speed and you have cleaned the indoor coil but still have this ice forming, it could very well be that you are low on freon. This will also cause the suction line, the large copper line outdoors to ice and on into the indoor coil. This will happen if you have developed a leak some where. Also, make sure you have good strong return air coming back through the air filter, because if you have problems with the duct work like holes from varments, or you have had any repairman around the duct work, sometimes they will flatten it causing no air flow and you will have ice. My bet is you are low on gas. Shut the unit off to make sure it has no ice on the coil, and go to the outdoor unit. Have someone turn it to cooling and put your hand above the fan on the condenser coil. The air should start to get warm and then hot if the freon level is ok. This also depends on the outdoor temperatures. The hotter it is outdoors, the hotter the air will be. If it is rather cool, around lets say 75*F, and this copper suction line is starting to form ice, the problem is it is low on freon. In this case, this is something you will need to call a tech out to charge the unit. You have to be certified and be able to buy the right freon which is only available to a/c and refrigeration tech's. If this is a heat -pump, and it is winter where you are and the outdoor coil is icing up, let me know and I can go through the steps to check this out. I do believe this is a summer problem where you may be, but you never know unless you ask. Please don't forget to rate me on this post as I am sure you will be kind. I wish I could save you a tech call, but if its low and you have cleaned the indoor coils, and filter is clean, then this is the problem.
Sincerely,
Shastalaker7
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1 Answer

The air unit is frezzing up and the air is never under 70 degress in the house! whats making it keep frezzing up?


Hi, when the unit freezes up, it is either low on freon, a plugged a/c filter, or the evaporator coil is dirty and will need to be cleaned. When the evap. coil freezes up, the blower motor can't blow air through the coil. Check the filter, and behind the filter to see if the coil is dirty, just remove the screws to excess the evap. coil on this unit. Make sure the blower motor is running up to speed also. You will know. If the coil is dirty, try and clean it the best you can and replace the filter. If it continues to ice, you will need to have the freon level checked> These are the # 1 causes of coils icing up. Please let me know how it turns out.
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1 Answer

Our SRK40H-s1 keeps icing up,


Hi, if you are running this in cool when the icing occurs, there are several things that will cause this. #1, make sure the indoor fan is running up to full speed. #2, make sure that the indoor coil where the air comes in is clean and that the filter media is also clean and not clogged with dirt. The reason I asked if you were running it in cool when this happens is if this were a heat-pump and you were running it in heat, the ice would build up on the outdoor unit and you would have a defrost problem, so just forget that unless this is happening. If fan is running up to speed good and strong, the filter behind the cover on the indoor unit is clean and not clogged and the coil behind the indoor unit is clean, you will have a freon leak somewhere in the unit. Check what I have told you first. Use a ladder if you need to reach the indoor unit. Make sure all is clean and if the foam type filter is old and rotten, you can get some at a hardware store, like Home Depot, Ace Hardware, and so forth. If it continues to ice up, you do have a small freon leak and this will take a certified service tech to locate leak and recharge the system. Most leaks occur on these ductless splits at the freon lines where the lines screw together at the indoor coil to the outdoor unit. I have seen this happen many times as a A/C Refrigeration contractor. You do have a top of the line system I have to say, very little calls to make repairs on the Mitsubishi split system. Lets hope its just a coil or filter that is plugged up not letting air through the coil which will ice up the unit. Keep me posted and feel free to correct me if I was wrong about the way the unit is set up.Also, keep me posted on what you have found and if you have or have not solved the problem. Please get back to me.
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3 Answers

New Ruud 16 seer central air and heat pump - very noisy


A few things to check
1) Is the unit mounted on metal brackets attatched to
the house, is so I would probably put rubber pads
between the unit and the brackets to absorb the
vibration.

2) Same is tru if sitting on a concrete or plastic pad.
3) Some units come with the compressor that has
an insulated jacket around it, this is also for noise
reduction.

4) The fact that you replaced an older unit with a newer one could also mean that you have a bigger blower.

5) Which leads to the unit not performing because
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6) Take the door off the unit, make sure power is turned off. Usually on the left hand side of the indoor
unit it will list the temperature rise that this unit
requires. I`m guessing between 25-45 deg.

7) This is the temp. difference you would measure
on the return air near the furnace. Then Take a
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indoor unit.

8) If its not within the range the furnace requires,
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1 Answer

Lg window-type ac


Most little window units are mainly for 300-500 Square foot rooms.
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Make sure the Filter is clean as well as the coils behind the filter or it will shut down the heaters quicker due to lack of air, shutting down your T-stat and bi-metals quicker.

Good luck!

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It may be the small vent fan motor on the inside if the control panel. When the noise begins remove the panel and you may be able to catch it in the act.

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