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Rudd central unit , turn A/C on[therm. inside] all U can hear is a Buzzing noise coming from the outside unit , found that [1] capacitor wire had been BURNT , changed wire , then changed capacitor , turned unit on[inside], 1st nothing ???? went inside & ck'd *breaker box* , fuse is operated by "dual arm[tied together] flipped off then on & went back turned a/c back on , came on for [maybe couple of minutes] then STOP'd , tried '1' more time , all U hear is the BUZZ noise? U could smell SMOKE & HEAT coming off [electric motor] , lifted top , tried to touch electric motor BUT it was tooooo HOT to touch ? We are {99.999%} sure that wired Capacitor correctly???? Want to make sure that if replace Electric motor that SHOULD be able to get A/C unit running again. THANK U *****

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Hello
Before you buy a new condensor fan motor check the contacts to the motor are not worn or pitted.

Hold or push the contactor in by using an insulated screwdriver and see if the fan motor turns.

Also the start cap you bought? was it the correct one meaning mfd micrfarad?

If all the above checks out ok then you need a fan motor,you can wire the motor direct to check it also.

From what you describe it sounds like the fan motor is burnt up and worn out,not uncommon.

Posted on Mar 22, 2011

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