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Thread: Pixels only turning blue

  1. #1
    Join Date
    Dec 2010
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    Default Pixels only turning blue

    I'm having an issue with some Holiday Coro 2811 Pixel nodes.

    After the first 5 pixels, the rest are just blue. I've tried cutting out the two pixels where the issue starts and connecting it from there as well as connecting the string from the other side with no luck. Any advice on what else to troubleshoot with this?

    I tested these when I got them and there wasn't any problem until now.

  2. #2
    Join Date
    Dec 2014
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    Default Re: Pixels only turning blue

    are you testing them with a sequencer(vixen)
    or from controller?
    try test pattern from controller to rule out patching problems/software..
    or we need more info how you got them setup

  3. #3
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    Default Re: Pixels only turning blue

    Quote Originally Posted by ebenne View Post
    I'm having an issue with some Holiday Coro 2811 Pixel nodes.

    After the first 5 pixels, the rest are just blue. I've tried cutting out the two pixels where the issue starts and connecting it from there as well as connecting the string from the other side with no luck. Any advice on what else to troubleshoot with this?

    I tested these when I got them and there wasn't any problem until now.
    Which two pixels did you cut out? I'm assuming the last one that worked and the first that didn't work. Is that right?
    Ed
    Happily retired

  4. #4
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    Default Re: Pixels only turning blue

    I'm testing them directly from the AlphaPix Flex Controller. Other strings connected to the controller are working fine

  5. #5
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    Default Re: Pixels only turning blue

    Quote Originally Posted by ezellner View Post
    Which two pixels did you cut out? I'm assuming the last one that worked and the first that didn't work. Is that right?
    Yes, that's right.

  6. #6
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    Default Re: Pixels only turning blue

    hmmm, what voltage are you using 5/12??
    whats the voltage measure at start of first pixel?

  7. #7
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    Default Re: Pixels only turning blue

    Quote Originally Posted by ebenne View Post
    I'm having an issue with some Holiday Coro 2811 Pixel nodes.

    After the first 5 pixels, the rest are just blue. I've tried cutting out the two pixels where the issue starts and connecting it from there as well as connecting the string from the other side with no luck. Any advice on what else to troubleshoot with this?

    I tested these when I got them and there wasn't any problem until now.
    After you cut out those pixels, you still have only the first five lit and they are blue? If so something is wrong with either power being supplied or more likely, the setup in the controller isn't correct. Did you try lighting the string starting from where you cut out the pixels?
    Ed
    Happily retired

  8. #8
    Join Date
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    Default Re: Pixels only turning blue

    Some strings have a default state of blue after power up. For those strings blue means now data is being forwarded to the pixels. Most likely a configuration error.


    2019 - Just moved into a new home (yet another change of plans). Will be dim but not dark. Too much to do at the new place to leave time for a show.
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