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-   -   Problems with dimmer switch (http://www.diychatroom.com/f18/problems-dimmer-switch-160066/)

BandE 10-14-2012 05:12 PM

Problems with dimmer switch
 
I have a pain in the butt dimmer question. I recently bought a house and want to upgrade the lights. I bought a replacement Leviton dimmer to replace and old dial style dimmer (probably installed when the house was built in 84). It is a three way switch with 2 flood lights for a basement. I successfully replaced the dimmer however;
When I dim the lights to the lowest levels, one of the lights blinked so i replaced the bulb with a new Philips dimmer bulb (compact florescent) 20w 120 v as the blinking bulb was not dimmer rated.
Now when I dim the lights there is a loud buzzing noise.
I don't understand what could now be wrong. Other than I should be using incandescent bulbs?

jbfan 10-14-2012 07:01 PM

Was the dimmer rated for CFL's?

BandE 10-15-2012 08:44 AM

The salesperson indicated that the dimmer switch would work fine as the bulbs are CFLs and designed to replace incandescent bulbs. However it is stamped on the dimmer incandescent only.

BandE 10-15-2012 07:13 PM

Went and got a CFL dimmer, the bulb still buzzes when dimmed....

joecaption 10-15-2012 09:15 PM

Did the light bulbs also say dimmable?

frenchelectrican 10-15-2012 11:46 PM

What the model number of that dimmer switch is ??

And what ya did with the other three way switch left it alone or what ?

Merci,
Marc

BandE 10-16-2012 07:33 AM

Joecaptian,
Yes it is a CFL dimmable bulb which is buzzing. It gets louder as the lights are dimmed. If I swap out the buzzing bulb put a non-dimmable light bulb in the socket it stops buzzing (but doesn't dim well). I'm thinking I've got a bad dimming bulb.

FrenchElectrician
The CFL dimmer switch I installed was a Lutron Diva, I had replaced the other 3 way switch that controls the same lights with a standard 3 way on/off switch.

Oso954 10-16-2012 12:38 PM

Lutron publishes a list of bulbs that they have tested for compatibility.

http://www.lutron.com/TechnicalDocum..._Bulb_list.pdf

They only suggest bulbs that have been tested and deemed compatible. If your bulb is not on the list and/or one on the list is buzzing, you can contact Lutron Technical Support 24/7 at 800-523-9466 .


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