My outside AC unit sometimes makes a loud vibrating sound for a few
seconds when it starts-up. This only happens occasionally,but seems to
be getting more frequent,Other than that,it seems to be working ok.
What could be the cause? Start capacitor going bad? Where to buy? How
hard to replace? I am a retired electronic tech. but am not familiar
with AC service. Any help or suggestions would be appreciated! Thanx!
Mine did the same thing this spring. Sounded like a very rapid relay
chattering. Repeated tries = same thing. Called service tech. Of
course as soon as he tried, it worked. No more problems all summer and
no, he had no suggestions as to what it was.
On 17 Sep 2005 14:55:22 GMT, email@example.com(Phil Marshall)
No I cleaned it out this spring and always keep the area around it
clean as well. First started hearing the noise about 2 years ago,but
seldom happened back then but receantly is happ more frequent. Unit is
about 16 year old YORK. Thanx for replies
This is Turtle.
When I get a Call for Vibration of a condenser unit here is what I look for
***Fan blade with small crack in it or fan blade loose on motor shaft.
***Condenser unit not sitting level and will wiggle when it cranks.
***Some of the Screws missing out of the unit.
***The top bearing on the motor are going bad.
Here is a start of a looking list.
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