Photo
![](../../_src/3680/nanimo_2-1.jpg?v=1615553780865)
![](../../_src/3682/nanimo_2-2.jpg?v=1615553780865)
Situation
Noise and vibration are generated during exhaust fan operation.
If maintenance of exhaust fan is not carried out without cleaning, lubrication, or adjustment, , the bearing and the fan motor will be damaged and the entire exhaust fan will have to be replaced.
Such indications
Strange noise and vibration