I use LED bulbs in my garage door opener (GDO) and have not had a problem.
A few years ago, however, I had one LED bulb start to fail and it put out
so much RFI that it desensed the GDO receiver to the point I couldn't
access it while holding the remote control under the housing! The GDO
would respond if the light was off but as soon as the light was ON the GDO
was unresponsive.
Ken
WA2LBI
On Mon, Dec 16, 2019 at 6:24 AM Dale Johnson <dj2001x@comcast.net> wrote:
> I have never had RFI issues with CFL’s or LED light bulbs, except as noted
> below, in fact I use two in the shack for lighting the desk. I have had
> failures though. They both get pretty hot at the base to the point the
> plastic gets brown and eventually the glass loosens up. I just had a LED
> failure a couple weeks ago, it started to flicker and the base was loose,
> that bulb was only about a year old.
>
> The CFL’s don’t work very well in our cold winters, I tried them out in
> the garage and they didn’t come on in the cold. On the other hand I have
> LED shop lights and they work in the cold, just don’t daisy chain them
> because then they really put out RF noise. By that I mean plug one shop
> light into another. I plug each one into separate outlets.
>
> Dale, K9VUJ
>
> On 16, Dec 2019, at 4:02, Charles Coldwell <coldwell@gmail.com> wrote:
>
> I bought a pair of compact fluorescent bulbs at a big box retailer (*)
> and when I opened the box, a slip of paper with this note on it fell
> out:
>
> "This device complies with Part 18 of the FCC Rules. If interference
> occurs move this product away from the device or plug into a different
> outlet. This product may cause interference to radio equipment and
> should not be installed near maritime safety communications equipment
> or other critical navigation or communication equipment operating
> between 0.45-30 MHz. Any changes or modifications not expressly
> approved by the manufacturer could void the user's authority to
> operate the equipment. Feit Electric Company, 4901 Gregg Road, Pico
> Rivera, California 90660 www.Feit.com."
>
> These I bought for a garage door opener (**), and in the directions
> for the opener it says
>
> "STEP 6 Install the Light Bulbs .... NOTE: Do not use halogen, short
> neck, or specialty light bulbs as these may overheat the end panel or
> light socket. Do not use LED bulbs as they may reduce the range or
> performance of your remote controls."
>
> Light bulbs!
>
> (*)
> https://www.homedepot.com/p/EcoSmart-75-Watt-Equivalent-A19-Spiral-CFL-Light-Bulb-Daylight-2-Pack-ESL18TM-5K-2-ESM/206135445
>
> (**)
> https://www.chamberlain.com/this-product-has-been-discontinued/p/B510.
> Discontinued; I wonder why.
>
> --
> Charles M. Coldwell, W1CMC
> Belmont, Massachusetts, New England
> "Turn on, log in, tune out"
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