KingCode
Nov 12, 2010, 05:34 PM
I just replaced my bathroom fan motor, which had become very noisy. The new motor is much quieter, but still produces a knocking sound at about 90/minute at even intervals.
Is it possible that the motor magnets are unevenly weighted around the center? In any case, tightening the motor-wheel assembly as tightly as possible inside the casing and against the air exit outlet (going to the outside) reduced the sound a bit, but it is still noticeable.
What is the possible cause, and what do I need to do to remediate the problem, short of installing an entirely new unit?
Thanks for any comment
Is it possible that the motor magnets are unevenly weighted around the center? In any case, tightening the motor-wheel assembly as tightly as possible inside the casing and against the air exit outlet (going to the outside) reduced the sound a bit, but it is still noticeable.
What is the possible cause, and what do I need to do to remediate the problem, short of installing an entirely new unit?
Thanks for any comment