What causes a compressor to run backwards on a outside condenser unit model fmb1024
Outside cond. Unit making a loud buzzing noise, I replaced the run cap, relay, and fan motor, everything seems to be working properly except the super loud buzzing noise, I made sure everything was tight no loose screws , I even put rubber sound absorbing pads under the unit and its still making a super loud buzzing noise when the outside unit is running, is there something that I might have over looked?? And what can I do to correct this problem??
a/c comdensor buzzing noise problem lennox 2-ton model fmb1024
Cond, unit model fmb1024 lennox super loud buzzing noise when cond, unit is running outside, I replaced fan motor, run cap, relay I made sure everything on the unit was tight, I even put sound absorbing pads under the unit , everything seems to be working fine compressor is running fan motor running fine , but I cant figure what is causing this loud buzzing noise, is there something that I overlooked or is this unit shot?? out
The buzzing noise is likely coming from the contactor.
Why do you think it is running backwards?
Lol, sounds like its stuck in reverse,:)
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