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Thread: LED bulbs flashing with on/off switch

  1. #1
    Junior Member
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    LED bulbs flashing with on/off switch

    I recently installed a Caseta on/off switch for porch lights which had incandescent bulbs in them. All was working fine until today I switched out the bulbs with LEDs and now the lights just flash when I turn on. How can I set the caseta switch (I suspect using the front accessible service switch) to prevent this and enable the lights to stay on?

    Thanks.

  2. #2
    Lutron Technical Support
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    Jan 2022
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    Hello,

    To clarify the issue you are experiencing, do the lights flash on and then turn off and stay off or do they cycle on/off/on and stay on when pressing the on button on the Caséta switch? Also, to further troubleshoot, can you provide the model number of the Caséta switch in use?

  3. #3
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    Yes, they flash on and then turn off and stay off. And it's a Caseta PD-5ANS-WH-R switch.

  4. #4
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    Actually, now that it's dark out, I see they flash on bright then they stay on at a very dim light and occasionally a bright flash after that every now and then.

  5. #5
    Lutron Technical Support
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    What is the make, model, and quantity of the LED bulbs? Also, if you remove one of the LEDs and reinstall an incandescent bulb does the issue persist?

  6. #6
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    Quote Originally Posted by Jonathan K. View Post
    What is the make, model, and quantity of the LED bulbs? Also, if you remove one of the LEDs and reinstall an incandescent bulb does the issue persist?
    I used 3 Luminus LED A19 non-dimmable 9W bulbs. When I removed one and replaced with incandescent, the issue does not persist and the lights stay on normally.

  7. #7
    Lutron Technical Support
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    Hello,

    Thank you for that update. That is interesting behavior. I just wanted to confirm that you are using a Caséta on/off switch (PD-5ANS) with these LED lights and not a Caséta dimmer, correct?

  8. #8
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    Yes, that is correct. It is not a dimmer switch.

  9. #9
    Lutron Technical Support
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    Hello,

    Thank you again for confirming that information. Can you please send in a photo of the switch installed in the wallbox, a brief description of this issue, and the model number of the Luminus A19 LED bulbs to support@lutron.com. We would like to further troubleshoot this issue with you to determine the root cause of this incompatibility.

  10. #10
    Junior Member
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    I've done so, thank you.

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