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  1. Why does my ceiling fan make a knocking noise?

    When my ceiling fan is on the highest setting, it makes a knocking noise. ... it raises the chain up and hits the blades. 0. 1.
  2. My ceiling fan is making noise. What can I do?

    My ceiling fan is making noise. ... tips are the same measurement to the ceiling if not bend the blade ... my ceiling fan make a knocking noise?