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Hello, it was 4 am here when you posted, most of us were asleep. It is now almost 6 am, we are starting to get up.
The life span of the condenser motor is in the 10 year range, odds are nearly 100% that your fan motor has a short in its electrical windings, nothing else will cause it to reverse directions.
To buy a new motor all you need is the Carrier unit model number, if you have that I can steer you to a place you can buy the motor.
I do not know how to cancel, I am just one of the technical experts, you can try looking for a 'report question' or 'contact us' drop down menu with 'cancel question' on it.
Let me know if you want to continue with locating a motor or not, we can go from there.
Sorry for the delay, our internet connection was down for 3 hours this morning. I was able to get a few posts off early but then it died about 8:30 am... its up again now.
Do you have a dual run capacitor and are using the fan side of it to run the fan, or is it a stand alone run capacitor (cost about $7).
I do not understand your remark about it running backwards, have you reversed the rotation by rewiring it, or is it reversing itself occasionally.
If you have a dual run capacitor can you take a picture of it from about 3 feet away that shows the fan connections to the fan capacitor and some of the surrounding wiring. Use the paper clip icon at the top right end of the tool bar for that.
I will have to see a few pictures that show the motor wires and connections to the capacitor, its quite a convolution you have there. I know about reversing procedure. I owned and operated a 27 man shop that I built up from just myself working with the tools in Los Angeles California a while back.
Use the paper clip icon at the right end of the tool bar for that.
Hello, I am looking forward to the photo's... the various changes in wiring the two capacitors at one point would be a problem, but it depends on what you did exactly...I have to see it to sort it all out... the wire colors are not standard in all cases, referring to them alone, without a diagram to follow can lead a person off into the tall weeds.
Hello again, I needed the photo's taken from 5 feet away so that I could see the capacitor wiring in context.. those are too close up, and only show the contactor connections.
I will opt out in the hope that one of our other experts here will be able to sort this out for with the information you have given.
Good luck with it.