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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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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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Boom Fixed! New capacitor also installed. Cold air. contactor and capacitor replaced both for under $40.
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Originally Posted by: CarolynE  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.
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: I think you should consult with an HVAC contractor in your nearby location
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The same problem happened with me when I was in Dubai. Then I contacted ac maintenance in Dubai. Then they solved my problem.
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Joined: 3/1/2021(UTC) Posts: 0  Location: Toronto
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Unfortunately, I've experienced the same issue a couple of years ago. It's ended up I had to order a completely new unit from Lennox. We still had a warranty and it was covered so I was kind of lucky.
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Joined: 5/21/2021(UTC) Posts: 0 Location: Miami
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Talking about aircons... I'm allergic to dust, so I keep my apartment spotless. I do wet cleaning of surfaces few times a week. Recently, I've had difficulties with my air conditioner. I noticed much more dust in the apartment. I called a technician to check the aircon. He said that filters are dirty, so it needs replacement. I was looking for qualitative A/C dust cleaner. Long story short, I purchased a nice In-Duct Air Purifier and a guy from https://www.airconservicing.org/why-choose-us/ installed it in the aircon. Since then my allergy appeared much less. Also, I don't need to do cleaning so often anymore. Edited by user Tuesday, May 25, 2021 1:36:45 PM(UTC)
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