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Ices flower in indoor window unit - Sharp Heating & Cooling

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Possibly low on freon or not enough air flow

Posted on May 20, 2011

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LS-1260HL split A/C. Why isn't it blowing at full speed in cool mode?


ice on indoor units can be from blocked evaporator fins / blocked filters
inspect the fins under the filter pads and if they look greasy and dirty have the indoor unit professionally cleaned as it is messy

Jan 23, 2016 | LG Heating & Cooling

1 Answer

Front grill


Check the air filter and if it is dirty, replace..
Turn equipment off and let the ice melt.
After ice melts, place a/c in cooling mode and set the thermostat to 3 degrees below room temp display.

The indoor unit fan should start blowing cold air immediately and then turn off once the room temp drops one degree below the cooling temp setting.
If the indoor unit does cycle off, check the outdoor unit and make sure it turns off at the same time.
If the outdoor unit continues to run and the indoor fan is not running, the indoor unit will ice up.
A defective compressor relay that is stuck in a closed position will cause icing of the indoor unit because it keeps the compressor running when it should turn off with the indoor fan.

Do you have an error code being displayed on the controller?
Is there an led light that is flashing on the indoor unit?

Another possibility causing the indoor unit to ice up is if the freon in the system starts to get low.
Make sure the ice has all melted for this next check.
Pretty easy to check without special tools.
If the air filter is clean and there is no dust/ dirt blocking the fins on the indoor unit, turn a/c back on to cool and check that the indoor unit fan comes on and is blowing air good.
Once everything seems to running good go to the outdoor unit.
There will be two lines with black rubber insulation covering them.
Peel back the insulation three inches on each line and observe the copper lines.
If either line starts to frost up the a/c system is most likely low on refrigerant.


Another cause of indoor unit icing could be that the aluminum fins behind the air filter are clogged with dust or other foreign material.
This would block the air that must be pulled in causing the indoor unit coil to become too cold due to lack of air flow and it will ice up.

Operating the cooling system when the outdoor temperature is below 60 degrees can cause the indoor unit to ice up also.

I'm Robert.
Florida certified a/c contractor. 30 years experience.
Hope this helps.


Mar 18, 2014 | Fujitsu Heating & Cooling

1 Answer

Ice formation ac indoor unit


several issues can cause this problem.
1st. not enough air circulating the evaporator coil meaning dirt filters or obstruction.
2nd. low refrigerant charge.
3rd. the out side tempurature maybe to cold, some units don't funtion well in cold climites.

Nov 22, 2013 | Heating & Cooling

1 Answer

I want to make flower ice bowls for my daughters wedding next month. Does anyone have a recipe I could use?


Sure - I use the BBC website recipe for flower bowls and have been really happy with the results. Make sure you wash the flowers really well before you make the bowl as it would be terrible to see frozen bugs in the bowl afterwards;

http://www.food.com/recipe/flower-ice-bowls-64636

Feb 18, 2013 | Home

1 Answer

What do you have to do to prepare flowers for making flower ice cubes?


Just make sure you wash the flowers really well beforehand to remove bugs. Don't worry if the flowers tear a bit as this can also look really effective. Blossoms are the best kinds of flowers to use.

Feb 18, 2013 | Home

1 Answer

How do I make flower ice cubes? I saw them on the internet and they look amazing. I want to make them for my daughters 18th.


Take a look at the Martha Stewart site, she explains how to make flower ice cubes. You are right - they are stunning.

http://www.marthastewart.com/348299/floral-ice-cubes

if you make them with edible flowers then you can put them in your drinks, but if you don't use edible flowers, you can only use them as decoration.

Feb 18, 2013 | Home

1 Answer

Ice forming on inside of indoor unit...not cooling properly


Hello, ice will form either due to low airflow such as a dirty filter, evaporator coil, blower wheel. Or due to a low refrigerant charge.

Jul 08, 2012 | Honeywell Heating & Cooling

1 Answer

The line coming into my indoor unit gets iced up. The ice extends the length of the line out to where in connects to the outside unit.


Icing in door due to 1. Less rpm of indoor fan motor (Replace capacitor or motor). 2. Indoor coil and blower wheel, filter dust blocked. (Service the unit). 3. Short of gas. ( Find for leak and arrest. Then vacumise and do gas charging)

Dec 24, 2010 | LG LS122CE Split System Air Conditioner

1 Answer

Icing of the fins of my lg aircondtioner indoor unit


Check/clean intake air filter and condenser fins,as well as be sure condensation drain is clear as well. Sometimes if not the right angle, moisture remains inside unit rather than draining outside, or wherever your drain is, make sure it's clear and draining well.

Feb 03, 2010 | LG Electronic Window Air Conditioner

1 Answer

Ice formation in the indoor unit


you need to have the unit checked for the amount of freon in the system this must be done with a gauge set the freon amount is obviously incorrect
also the a-frame evaporator must be sealed in the furnace cabinet

May 28, 2009 | LG Heat cool Window Air Conditioner

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