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  1. #1
    Join Date
    Oct 2008

    Default installing variable speed switch

    I installed a variable speed 'fan' switch on my 17 year old Hunter ceiling fan. Now there is a loud humming noise that varies with the speed. I've oiled the fan - no change.

    I checked with my local hardware store where I bought the switch. They suggested checking the wiring - it's fine.


  2. #2
    Join Date
    Aug 2007
    The Great White North

    Default Re: installing variable speed switch

    It's the electronic speed controller that's causing the hum in the fan motor.

    Check out # 15 in this faq link .....
    "" an ounce of perception -- a pound of obscure "
    - Rush

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