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    SLeisher
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Daisy chained LED failure

I have no capability to have colored lights on my stage, but everything worked great for the past 5 years.  Maybe you can help me troubleshoot my issue? 

I am using an ETC Element...at least 10 years old, though it may be older.  For the past 5 years that I have been at this school, I have 12 Lustr LEDs daisy chained together that have worked beautifully. I had them programmed to submasters 31-34, and the channels are 101-104. They were programmed red, green, blue, and white, respectively. 

In March, a student "accidentally" parked numerous fixtures, and I had to figure out A) what "parked" meant and B) how to "unpark" them. I don't remember noticing if any of those were the LEDs.

  Since that time, a few of the LEDs come on with my "ALL STAGE"  submaster, but only intermittently.  Sometimes none will turn on, and sometimes I get 2 or 3.   None of the submasters 31-34 (which used to be the colored lights) work to bring up the LEDs at all.  I have tried reprogramming the subs, to no avail.

 I did get the  tech teacher to come try to fix the issue as well, with ETC tech support on the phone.  In PATCH, the addresses show as 2/1-8 for 101, 2/9-16 for 102, 2/17-24 for 103, and 2/25-32 for 104.   The ETC tech support person that we talked to about 2 weeks ago said that these addresses needed to be changed, but I'm not sure why since it has worked fine this way for the past 5 years.

P.S. I am a junior high Theatre teacher with an older auditorium in what used to be the high school.  I don't have a lot of lighting experience, but I've been trying to troubleshoot the issue on my own since mid-March. 

What should I try next?  Could it be a park issue or a hardware/cabling thing?  Or something else entirely?  

Thanks in advance!!!

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  • Well there are plenty of things that might be wrong so we probably need to start with simplifying things to eliminate stuff.

    Ideally get one of the fixtures and plug its dmx in directly to the desk so we can eliminate a simple broken cable. (try both sockets as one should be universe 1 and universe 2)

    Assuming that doesn't work, are you able to from the fixture check what address it is set to. ie is it actually set to address 1 which is what your saying 101 is patched to.

    Also rather than using the subs etc just type the channel number and press FULL twice to turn it on.

    Also check a colour is actually selected (normally default colour is white but sometimes profiles are set to black so you can add colours) so go to colour picker tab and click on some colour.

    If you want to check park, just press the park key twice quickly from Live with nothing selected and it will open tab 20 that shows you what is parked.

    If none of this gives you a clue then we might want to check how you've got the dmx outputs setup and that universe 2 is really on one of the outputs from the desk.

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  • Well there are plenty of things that might be wrong so we probably need to start with simplifying things to eliminate stuff.

    Ideally get one of the fixtures and plug its dmx in directly to the desk so we can eliminate a simple broken cable. (try both sockets as one should be universe 1 and universe 2)

    Assuming that doesn't work, are you able to from the fixture check what address it is set to. ie is it actually set to address 1 which is what your saying 101 is patched to.

    Also rather than using the subs etc just type the channel number and press FULL twice to turn it on.

    Also check a colour is actually selected (normally default colour is white but sometimes profiles are set to black so you can add colours) so go to colour picker tab and click on some colour.

    If you want to check park, just press the park key twice quickly from Live with nothing selected and it will open tab 20 that shows you what is parked.

    If none of this gives you a clue then we might want to check how you've got the dmx outputs setup and that universe 2 is really on one of the outputs from the desk.

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