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Thread: LEDs flashing in new house

  1. #1
    Join Date
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    LEDs flashing in new house

    our new house was recently finished. They used incandescent recessed cans for lighting in the living room, but fitted them with halo drop in LED retrofits. I'm not normally much ova fan of LEDs, but these have great color and put off nice, evenly distributed light. Only one complaint. The ceiling fan and recessed LEDs are on the same circuit. Whenever the LEDs are on and you turn them off, then the fan, the LEDs flash. This only happens when you just turn the leds off, while the internal capacitors have some charge. I've never seen this with standard screw in LED bulbs, could it be an inductive kick of sorts from the fan turning off?
    get merc'd.

  2. #2
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    161106-1724 EST

    Your post lacks consistency reread and correct it. I can not make logic sense from it.

    .

  3. #3
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    Do they light for just a couple seconds and fade to zero?
    You make the lights come on and we make them go off.

  4. #4
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    It's just a quick flash. I'll try to video it and get it linked here to explain it better.
    get merc'd.

  5. #5
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    Quote Originally Posted by Solanaceae View Post
    It's just a quick flash. I'll try to video it and get it linked here to explain it better.
    How bright of a flash?
    Can you duplicate it with the fan off the whole time?

    The running and break down voltage of LED are almost the same and LEDs can make detectable amounts of light at micro amp levels. I've seen fade-then flash upon turn off too caused by the way the LED ballast was designed.

  6. #6
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    If you can get it in all one shot, show us the sequencing and timing of turning the switches off and the lights doing what they do.

    I'm thinking the fan motor is generating the power that's lighting the lights.
    You make the lights come on and we make them go off.

  7. #7
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    Quote Originally Posted by mgookin View Post

    I'm thinking the fan motor is generating the power that's lighting the lights.
    Free energy?

  8. #8
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    Quote Originally Posted by dkidd View Post
    Free energy?

    No because you had to pay to get it up to speed.

    Now if you had 12 cats on a seesaw...
    You make the lights come on and we make them go off.

  9. #9
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    Quote Originally Posted by mgookin View Post
    No because you had to pay to get it up to speed.

    Now if you had 12 cats on a seesaw...
    or the cat / buttered bread, infinite power generator (I think I saw it here in the past)

    Name:  Cat_Bread_Generator.jpg
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  10. #10
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    Quote Originally Posted by cpinetree View Post
    or the cat / buttered bread, infinite power generator (I think I saw it here in the past)

    Name:  Cat_Bread_Generator.jpg
Views: 361
Size:  56.4 KB



    Cat-bread generator is too problematic; butter gets slung from armature, or the cat-rotor dies, thus creating a division by zero and an artificial black hole. Even attaching the cat to the shaft in the manner shown is likely to have grave consequences.

    ~~~~~~~~~~~~~~

    Do ceiling fans act as generators when shut off but still spinning? Apparently so, enough miniscule amount of power comes from them to light up the LEDs for a pulse.

    A video of what you are describing would be most helpful.
    Electricians do it until it Hertz!

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