Question about LG Art Cool LA121CNP wall/window Air Conditioner

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The unit behind the filter is frozen solid.

The unit behind the air conditioner filter is frozen solid, when the unit is on it's spirting out water, and there's a grinding noise coming from the unit. It's going to be 9+ degrees + humidity in Houston and I have cats in the house.

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Turn it off thaw out clean evaporator clean filter the grinding is the blower wheel hitting the froze solid. hope the blower wheel is not wrecked. use 409 to clean. Tom

Posted on Jun 17, 2009

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Water Filter Frozen


Air blowing directly on things like a water bottle has frozen it solid ( in the REFRIGERATOR SIDE! -- Block airflow BUT... I think the problem is YOU NEED TO CLEAN ( blow out with air!...the ONLY WAY) YOUR CONDENSOR COILS ( in the back, outside...behind the cardboard cover nowadays) Your fan has to run too long ( because refrigeration is the "removal of heat"...this is what those coils do but they are insulated with dust!)...too long blowing to achieve the same temp result = Frozen Stuff

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My air conditioner is no longer blowing cold air it only seems so be on fan mode though i have it set on cold. Also there is a wire hanging down behind the filter which i hadn't seen in the past.


Hello my name is Heath it will be my pleasure to assist you. The first thing to check is the filter in the furnace or air handler. Also check the inside coil to be sure its not frozen up. Does the air coming out feel cold? It sounds like the unit could be low on charge which means it has a leak and should be leak checked repaired and properly charged. You would need refrigeration gauges to put on the system in order to properly check the refrigerant charge in the system. One other thing could be a dirty condenser coil. Turn the power off to the unit and use a garden hose with a strong nozzle and spray water through the whole coil to try and blow any dirt or debris through the condenser coil in the outside unit.

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I have a Goodman A/C unit model number cpke 36-1a. My problem is that the fan in the house works along with the unit fan outside, but no cold air in the house. What do I need to check? thermostat is set at...


First check the filter to see if it is not completely clogged and make sure the
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Then check the outdoor unit to see if the large copper line coming to it is cold
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Also Make sure the thermostat is in "AUTO" and "COOL"
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two possibilities

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DeLonghi has the manuals for their portable air conditioners here: http://delonghiusa.com/support/product_manuals/5#table-jump . The direct link to the PAC C120 manual is http://delonghiusa.com/support/sites/default/files/product_manuals/m-PAC+C120.pdf .

Before cleaning, turn off the air conditioner. To clean the filter, pull it straight up from behind the top of the air intake (on the back of the PAC C120). Vacuum off the filter. If it is very dirty, immerse it in warm water and rinse several times. (The water should not above 40 degrees Celsius (104 degrees F)) several times. Then allow the filter to air dry. Slide the filter back into the air conditioner and turn the unit back on.

I hope this helps.

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In the back of these units where the cord pulls out, there is usually a red reset button, try pushing that to reset the unit, also make sure the filter is clean, pulls from the top out of the unit. Make sure the coils are clean as well behind the filter.

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