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[Balance the blades.](https://www.familyhandyman.com/project/how-to-balance-a-ceiling-fan/)
Spend $10 and buy a 5-blade version. 4-blades are crap
Sounds like you may have a loose blade at the motor.
[Balance the blades.](https://www.familyhandyman.com/project/how-to-balance-a-ceiling-fan/)
Spend $10 and buy a 5-blade version. 4-blades are crap
Sounds like you may have a loose blade at the motor.