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Window AC freezes up

Posted on 10/15/24 at 6:41 pm
Posted by justjoe906
Member since Oct 2013
1781 posts
Posted on 10/15/24 at 6:41 pm
LG 14000 BTU dual inverter window AC 3.5 years old. It's been freezing up with ice on the coils and lines. I pulled it out the window and gave it a good cleaning to remove the dirt etc from the coils. If I keep the settings around 73 it doesn't freeze up but If I turn the thermostat any lower to 65ish it freezes up with major ice everywhere.
I know low freon would cause it to freeze up, any other ideas? I guess I can take it somewhere and let them check for low freon. A new unit this size is about $600, so not going to spend a bunch to fix it.
Thanks
Posted by Donzi Tiger 1
Member since Oct 2018
157 posts
Posted on 10/15/24 at 8:29 pm to
I have the same unit and it will do same if I set it that low. I typically set it at 67 and it is used in conjunction with my central air, so it cycles off.
Posted by justjoe906
Member since Oct 2013
1781 posts
Posted on 10/20/24 at 5:09 pm to
I took the unit back out of the window and cleaned everything up even though not that dirty since the last clean-up.
I put back in the window and turned on 72, after about 4 hours it started freezing up again with ice on the compressor, lines and coils.
Just a little aggravating with a 3.5 year old window AC.

14,000BTU LG dual invertor unit. They have a place in Gonzales that will check it for $25 so might take it there, anything over $150 is probably not worth fixing.
This post was edited on 10/20/24 at 5:16 pm
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