Why is my Ceiling Fan Wobbling?
There are several reasons why a ceiling fan wobbles. The blades could be out of balance, out of track, or warped. The wobble could also be caused by air turbulence created because of the blades are closer than 6 inches from one side of a sloped cathedral ceiling or ceiling beam.
Determine if the fans blades are out of balance by clipping a spring type clothespin halfway between the tip and the blade iron on the leading edge of one blade. Turn the fan to a low speed and see if the added weight stops the wobble. Try each blade to determine if more weight is needed. If the clothespin stopps the wobble, it can be replaced with a thin, adhesive backed lead-weighted tape, which should be available through the manufacturer's service center.