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Old 06-16-2020, 10:27 AM   #1
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Window A/C repair


Hello!

I recently bought a 15,000 btu window unit Off of Craigslist. The seller stated that the unit was two years old and did not cool as well as it used to and possibly needed a “recharge'. Once I installed the unit I came to realize that this unit was not cooling whatsoever, Essentially just functioning as a fan even when I'm cool mode. The unit it perfectly clean as if it were brand new, however I cleaned the filter anyway as this is all I know how to do in terms of A/C maintenance and repair. After a bit of research I am wondering if maybe the compressor is broken? The unit is very quite and really only sounds like a fan, so maybe the compressor is not even turning on at all and that is my problem? Or is there a way to “recharge' the air conditioner?

Has anyone had any experience with this unit before? And what does this sounds like/how do I fix it DIY?

Thank you!
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Old 06-16-2020, 10:33 AM   #2
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Sorry I forgot to put the brand of A/C. It is an Amana 15,000 BTU 115v. Model AMAP151BW.
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Old 06-16-2020, 08:07 PM   #3
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Re: Window A/C repair


If the compressor and both fans are coming on and it's not cooling, get rid of it - not worth fixing, leaking refrigerant or other major issue.

If the compressor isn't coming on, it could be something simple like a capacitor and is worth checking out.

Always test used appliances before buying!
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I am not in the business of any trade I give advice on. I have non-professional hvac experience + good knowledge of theory. Attempt repairs at your own risk. Never jump out safeties - especially pressure switches - on a furnace for testing with fuel supply on; use a meter. Do not troubleshoot with live line voltage present unless there's no alternative.
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Old 06-16-2020, 08:11 PM   #4
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Re: Window A/C repair


Window shakers aren’t really intended to be serviced. Unless it’s a high end unit, it’s likely built as a disposable appliance.
That’s not to say you can’t work on them. But you’ll need the proper tools.
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Old 06-16-2020, 08:17 PM   #5
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Re: Window A/C repair


Can check still check the capacitor and see if power is being applied to the compressor.

If it's a bad board or has refrigeration problem, the unit is junk with labour cost exceeding that of buying a new one.
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Old 06-16-2020, 08:21 PM   #6
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Re: Window A/C repair


Quote:
Originally Posted by user_12345a View Post
Can check still check the capacitor and see if power is being applied to the compressor.

If it's a bad board or has refrigeration problem, the unit is junk with labour cost exceeding that of buying a new one.
Absolutely.
I should have been more specific with my post. Every window unit Ive seen is a sealed system with no access ports to test the refrigeration circuit.
Exterior parts can still be easily tested.
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Old 06-16-2020, 08:27 PM   #7
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Re: Window A/C repair


I favor units with mechanical controls - one less proprietary thing to break.
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