Bathroom Fan suddenly Quiter


  #1  
Old 02-28-18, 10:04 AM
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Bathroom Fan suddenly Quiter

Hello, my master bathroom exhaust fan of 18 years suddenly becomes quieter! It still run, just with Less noise. I took down the fan grille, and can see the exhaust fan running.

Does it mean the motor is less powerful now? I understand that typically motor either work, or break, there is no "in-between" stage.

Or maybe some 18-years dust just fall off somewhere in the duct and the noise level get reduced?

Anyway, I will be cleaning up the fan and the surrounding cover. Just wonder if I should change the fan at all?

Thanks
Sean
 
  #2  
Old 02-28-18, 10:29 AM
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Most exhaust fans like that have removable motor/fan assemblies. There should be two screws holding the motor plate in place and a regular plug on the motor wiring.

Once the fan is out you can asses its condition better.

You can take the front cover and post a pic of the inside for further help.
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