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Thread: Some ballasts on the same rail are not dimming

  1. #1
    Junior Member
    Join Date
    Jan 2017
    Posts
    2

    Some ballasts on the same rail are not dimming

    I am working on this project , Dali dimmable LED, after my configuration, I was able to control some ballast and some in the same loop are not controlled, funny enough,some ballasts on the same rail did not dimm and some dimmed. Please I need advice because I am going to the site for trouble shooting tomorrow . Thank you for your time

  2. #2
    Senior Member
    Join Date
    May 2013
    Posts
    420
    Hello Babsuntech,
    Thank you for your post.
    You can try to shrink down the loop to see if you can isolate the problem. Start by disconnecting from the middle and see if you have problems upstream. If possible swap out known good drivers with the ones that are not dimming to see if the problem is a driver or a communication problem on the loop.

  3. #3
    Junior Member
    Join Date
    Jan 2017
    Posts
    2

    Some ballast are not working

    Quote Originally Posted by Blair S. View Post
    Hello Babsuntech,
    Thank you for your post.
    You can try to shrink down the loop to see if you can isolate the problem. Start by disconnecting from the middle and see if you have problems upstream. If possible swap out known good drivers with the ones that are not dimming to see if the problem is a driver or a communication problem on the loop.
    Thank you Blair, the troubleshooting method you gave did work perfectly, it was some of the drivers that were responsible. Thank you

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