A healthy, properly installed, and well-balanced ceiling fan should exhibit virtually zero visible wobble or shaking during operation, especially when running on low or medium speed settings. While a microscopic, barely perceptible vibration can sometimes occur at maximum high speed due to slight aerodynamic wind resistance against the blade edges, any noticeable swaying, shaking, or rattling of the blades, light kit, or ceiling canopy indicates an imbalance or loose hardware. You can troubleshoot mechanical stability easily by observing blade tracking. You can verify that your corrective action is successful when tightening loose mounting brackets, cleaning dust off blades, and balancing weight distribution eliminates all visible movement, allowing the fan to spin in a perfectly steady, flat plane.
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