Central A/C condensing unit not working - Lennox - Appliance Repair Forum

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Model: 10ACC03023004	Brand: -other-	Age: More than 10 years
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CarolynE		#1 Posted : Sunday, July 15, 2018 6:15:30 PM(UTC)
Rank: Member Groups: Registered Joined: 5/11/2012(UTC) Posts: 33		Setting thermostat in the house I am able to feel air blowing, but the condensing unit outside is not working (fan not spinning - not "on"). I pulled fuses out and tested them - they are working - continuity. Installed 2005. This will be a new adventure for me - (have totally pulled apart dishwashers and microwaves and ovens and a little work on furnace -- no a/c experience yet) What should I look for next? For some reason I am a little intimidated at this one -- even though it looks pretty straight forward..Thanks in advance for the troubleshooting.:eek:


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CarolynE		#2 Posted : Thursday, July 19, 2018 6:30:07 AM(UTC)
Rank: Member Groups: Registered Joined: 5/11/2012(UTC) Posts: 33		While I was waiting for anyone's input, I continue to investigate the issues. As I said, air was being blown out of the vents. Fuses working, but no sounds coming from the condensing unit outside. I tested the contactor and it did appear to have a "bug" in the contact. I replaced that and when I flipped power back on - I got that distinct humming sound - but no fan spinning. Which leads me to the capacitor. I don't know why I didn't do a visual check on this at an earlier time; but it is a little domed on top and I can now verify that there is power - so I ordered a new capacitor. Unless there is something additionally wrong with the fan motor as well, I think this will solve the issue. Will continue to update. So far only into this for about $35 for both parts and time...


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CarolynE		#3 Posted : Wednesday, July 25, 2018 8:31:42 AM(UTC)
Rank: Member Groups: Registered Joined: 5/11/2012(UTC) Posts: 33		Boom Fixed! New capacitor also installed. Cold air. contactor and capacitor replaced both for under $40.


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Gregewalt		#4 Posted : Wednesday, January 23, 2019 8:09:15 PM(UTC)
Rank: Member Groups: Registered Joined: 1/23/2019(UTC) Posts: 0		What to do now?


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