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Joined: Dec 2000
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From Rewired This happened the other night while sitting on the couch at the girlfriends place... A loud buzzing sound started eminating from the A/C, ( loud enough the tenants below us heard it) and this was followed by a burning smell. Pulled the plug out of the wall and FINALLY got around to bringing it home and taking it apart today... Figured "why not" and plugged it in just to see what the problem was exactly , with camera in hand of course, and this is what I found: Adam
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Joined: Jan 2003
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Nothing wrong here, that is just supplemental heating. Great picture Adam thanks for sending it. I assume you had your PPE on?
Bob Badger Construction & Maintenance Electrician Massachusetts
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Joined: Nov 2001
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That's a great picture! Thanks for sharing it. Investigating something like this in a somewhat safer, more controlled environment can be fun, especially when you can power up from a distance. How much time had elapsed from when you turned it on until that cap blew?
Looks like a really old A/C.
Mike (mamills)
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Joined: Mar 2005
Posts: 169
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Glad you were there when this was happenning. Could have been much worse than just replaceing a ac unit. Very interesting picture. Thanks for posting it, Steve
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Joined: Jan 2006
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I thought you would all like that picture! Mike: Originally when it failed it was running for the entire day.. I unplugged it seconds after it started shorting out.. In those pictures though it started to arc as soon as I turned the unit on and probably went for 15-20 seconds before fizzling out, and would do no more than emit smoke whenever the compressor O/L reset itself. It is older too I am assuming its about 15-20 years old (Kenmore) but still works not bad when its not spewing smoke and fire Steve: Yes it could have been a lot worse but we were lucky there... Didn't have to replace the unit though... Had spare caps of the correct rating lying around. The old heap runs again! A.D
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Joined: Jan 2006
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Thanks.
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Joined: Sep 2002
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It have that Canadian favorite, (FPE) AKA Federal-Pioneer "protecting" it?
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Joined: Dec 2005
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Superb shots of that burning capacitor !
Many thanks for sharing it with us.
The product of rotation, excitation and flux produces electricty.
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Joined: Jul 2006
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Hmm I wonder if that "ol' heap" will resurface again here on ECN??? Maybe not a question of if, but when. Cool pic, btw.
Luke Clarke Electrical Planner for TVA.
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Joined: Feb 2006
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I'm glad you reapaired it instead of just throwing it out and getting a new one. Resourcefulness is good. Great pics, BTW
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