Should I be worried if my ceiling fan shakes?

A slight wobble of about 1/8” while running on high is normal. Anything more than that can damage the fan and, depending on the cause of the wobble, it can actually be dangerous.

Why do fans vibrate?

Vibration occurs during fan operation and may have many causes, one of which would be imbalance. Other causes of vibration would include mechanical looseness, coupling misalignment, defective bearings, insufficient flatness of bearing mounting surfaces, rotor cracks, driver vibration and v-belt slippage.

Why do some ceiling fans hum?

A ceiling-fan hum is caused by vibrations amplified by fan parts. Many complaints involve a humming noise that doesn’t dissipate when the fan is run at a slower speed. A hum in a ceiling fan is usually caused by the vibration of the motor, and the volume of the noise depends on the mount, housing and blades.

How do I stop my attic fan from vibrating?

7 Steps to Eliminate attic fan Humming Noise

1. Detach attic fan from the electricity source. Precaution measures in the first place!
2. Check out the blades.
3. Ball-bearing replacement can reduce the noise.
4. Tighten loose parts and fan’s mount.
5. Lubricate some rust parts.
6. Replace the motor.
7. Ultimately, get the quieter one.

Why do fans rattle?

As fans draw in air, they also often draw in dust. Eventually that dust causes the blades to become out of balance, which can cause rattling. Rattling can also be caused by a loose front grill. Most of the time, putting an end to the rattling requires little more then a thorough cleaning a little bit of tightening up.

Why is my ceiling fan noisy?

If your ceiling fan is making a rattling sound the problem could be loose screws. If the screws which connect the ceiling fan blades to the motor are loose, then you can tighten them up. All screws should be tight but not too tight. Wire connectors can also cause a rattling sound as well inside the switch housing.