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puffulufogous
USA Fan
New Orleans
Member since Feb 2008
5807 posts

AC issue. Capacitor likely out
Just want to check my diagnosis. My AC is blowing warm air. Filter is clean. The outside unit was not running when I came home, but after giving it a bit to cool off I ran it again and noted the a whining noise and fan not spinning. When I nudged the fan it started up. Based on this I am guessing its the capacitor, but after a while the fan stopped spinning which makes me think the unit is overheating. Could it be the compressor, or is it the capacitor? Thanks.
This post was edited on 7/13 at 2:38 pm


Hamma1122
Member since Sep 2016
4875 posts

re: AC issue. Capacitor likely out
Could be a number of things. Fan motor could be out


puffulufogous
USA Fan
New Orleans
Member since Feb 2008
5807 posts

re: AC issue. Capacitor likely out
fan spins freely when i move it, and I don't hear any grinding when I get it moving. Could be giving out, but one would think that if the motor was shot it wouldn't spin on its own at all.


PrivatePublic
Troy Fan
Member since Nov 2012
12361 posts

re: AC issue. Capacitor likely out
Just replace the cap, those things are like $15 online.


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20
BeerMoney
LSU Fan
Baton Rouge
Member since Jul 2012
4601 posts
 Online 

re: AC issue. Capacitor likely out
When I had a similar issue it was the capacitor. Like someone said $15 online. Order more than one just because you're going to pay an AC guy $100 to do it today if you have a wife or kids.


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20
MorbidTheClown
LSU Fan
Baton Rouge
Member since Jan 2015
24846 posts

re: AC issue. Capacitor likely out
when this happened to mine, there was a capacitor the size of a 32 oz beer can that had exploded.


Tigeralum2008
LSU Fan
Yankees Fan
Member since Apr 2012
9550 posts

re: AC issue. Capacitor likely out
I got one from a local shop.

I think it was ACME refrigeration


MorbidTheClown
LSU Fan
Baton Rouge
Member since Jan 2015
24846 posts

re: AC issue. Capacitor likely out
a/c units always seem to go out on the hottest days.


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10
MontyFranklyn
Alabama Fan
T-Town
Member since Jan 2012
20828 posts

re: AC issue. Capacitor likely out
My motor blower went out on my car Tuesday. Thank god for Youtube because it only cost me the price of the part. Replaced it myself.


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puffulufogous
USA Fan
New Orleans
Member since Feb 2008
5807 posts

re: AC issue. Capacitor likely out
calling around to find the cap. It looks ancient. Landlord not answering of course.


JusTrollin
Member since Oct 2016
78 posts

re: AC issue. Capacitor likely out
Or you could just get a meter and put it on capacitance and test it....


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11
XxxSpooky1
LSU Fan
A place in SE La
Member since Sep 2007
5022 posts

re: AC issue. Capacitor likely out
Run to Coburns and get you a new one.


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Polycarp
LSU Fan
Texas
Member since Feb 2009
4296 posts
 Online 

re: AC issue. Capacitor likely out
Cheapest way out...


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Eli Goldfinger
Alabama Fan
Member since Sep 2016
9417 posts

re: AC issue. Capacitor likely out
The trick is that a blown capacitor is typically a symptom rather than the problem.


Eighteen
Houston Astros Fan
Member since Dec 2006
23285 posts

re: AC issue. Capacitor likely out
If you have a voltmeter you can test to see if the capacitor is actually bad.

If it is, do what the other poster said and buy two or three whenever you find one that way it's quick and easy the next time
This post was edited on 7/13 at 4:11 pm


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WPBTiger
USA Fan
Parts Unknown
Member since Nov 2011
14624 posts

re: AC issue. Capacitor likely out
quote:

calling around to find the cap. It looks ancient. Landlord not answering of course.


Does it have numbers on it, something similar to 45/5/440. If so, just get a capacitor with same numbers, it does not have to be exact same capacitor.


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30
Tigeralum2008
LSU Fan
Yankees Fan
Member since Apr 2012
9550 posts

re: AC issue. Capacitor likely out
quote:

The trick is that a blown capacitor is typically a symptom rather than the problem.


false

Mine blew 4 years ago and my AC has been running fine ever since I replaced it.


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22
Beachtiger
LSU Fan
Bomba Shack
Member since Apr 2007
3929 posts
 Online 

re: AC issue. Capacitor likely out
quote:

symptom rather than the problem.


Symptom is they aren't made like they use to.


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keakar
Member since Jan 2017
6632 posts

re: AC issue. Capacitor likely out
just love all the idiots on here saying to order a capacitor online, ya right just wait 5-7 days for it to come in the mail and sweat it out until then roflmfao

go to hardware store and buy one "right now" to fix it "right now" because its hot as hell and you cant wait a week for the mail man to bring you one.

if the capacitor looks swollen, that's an obvious indicator its bad as seen here LINK

if its not swollen it can still be bad so this can help you with testing it LINK

on cautionary note, those things hold juice like a taser and will zap the shite out of you so after turning power off to the unit, use a screwdriver across the terminals to safely discharge and voltage still stored in it
This post was edited on 7/13 at 5:05 pm


baldona
Auburn Fan
Florida
Member since Feb 2016
7822 posts

re: AC issue. Capacitor likely out
Don't call an AC guy until you change the capacitor yourself. Mine blew one weekend I was out of town and they tried to charge my wife $180 for a new one. Guy was there under 30 minutes.


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