Thread: A/C Fan Motor
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Old 07-26-2006, 02:31 PM
Rontx Rontx is offline
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A/C Fan Motor

I replaced the fan motor (3-wire) and capacitor in my condenser unit. I was uncertain if I needed to keep one side of the cap. connected to Line as the original cap. was as the new motor (4-wire) did not show this. I tried it without this connection and all seemed well for a couple of days then the fan stopped and was very hot.
I reconnected the Line connection to the cap and the fan ran again but seemed to run slower. After several minutes it stopped again and was very hot. I checked the cap with an analog meter and it reads open. I am wondering if running the motor without the line connection to the cap may have ruined the cap and possibly also the motor? I can try a new cap but do not know how to test the motor. I have made some resistance readings but do not know what I should be reading between the leads. It has brown and brown/white to the cap and a black and a yellow to the line. Does it matter which line connection I put the wires on as long as I am on L1 and L2? Also, could I have damaged the compressor? I do not know how to test them. I was told that there may be a reset switch on it but have not noticed one.
Thanks for any assistance.
Rontx
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