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Discussion Starter #1
Now I don't know if it's always done this since I normally don't have my head near that area but is it normal for the LED driver for this light to make a humming sound? Could a UPS negatively affect it in any way?

Today is the first day that I put my new UPS to use and several minutes ago, I heard the humming sound. At first, I thought it was the filter but when I picked up the the driver to see if that was it, it stopped. I put my light back onto a power bar that it originally was on before i got the UPS and it's still making that sound.

Did I somehow screw this up or is this normal?
 

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Normal is relative.
Switching power supplies can make noises for a number if reasons.

Can't see how a UPS would damage it though.

If you hear noise when it's off the ups good chance it was always there.
 

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Discussion Starter #3
Normal is relative.
Switching power supplies can make noises for a number if reasons.

Can't see how a UPS would damage it though.

If you hear noise when it's off the ups good chance it was always there.
Thank you.

When I heard the sound, my light was off for the night. When it's on, there is no noise. It's plugged back into the UPS now and still no noise.
 
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