Thanks much for your response. I went ahead and took the motor and capicitor down to the AC shop today. They tested the cap and said it was good and hooked them both up to power and confirmed a dead motor. The buzz was from the motor... when it would kick on it would make about a quarter turn...
I also have a lennox condensor and have noticed on occassion a rather loud buzzing/humming noise from the unit and when i go check on it i notice the fan isn't turning but it sure is buzzing. This morning and during some snowy days i've notcied the outside fins kind of frosted up. Other times...
