My ceiling fan makes a humming noise, but does not spin unless I spin it. It then will only spin on high. The two other sitting will not work. When I try to decrease spin it turns off. Any suggestions

What brand fan? Sounds like a bad capacitor.

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Agree with bb.

Also agree on capacitor. What make is the fan?

VERY RARELY this is an open winding. Can also be the reverse switch. But capacitor is most likely.

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