Dimmer issue

As the very smart David Fox taught us at End User Training, look for the simplest solution first.

Try swapping dimmers to see if the problem migrates with the dimmer, or it stays in the slot.  If it hangs on a different dimmer in that slot, then OK, maybe the console.

Also maybe re-hook up the old console to see if it works on the ExpIII.

SB

Got it.

I saw "pigtails",  but could not imagine house lights connected in a temp setup as you describe, but that's what 'ya got.....

In any case, next step is to narrow it down to JUST the Ion, by connecting the Expression - or ANY console or DMX tester to determine if the problem re-creates itself on another console.  Or not.

Just my $.02

SB

Which kind of dimmer do you have for these houselights?

Can you ask the dimmer what level it thinks it's getting on that channel? (On Sensor+ this would be About>Dimmer)

What's the data path between ION and dimmer? I'm guessing DMX as you've moved from Expression.

If DMX, if you stick a DMX-tester inline with the output of the ION, do you see the same fault on the tester?

One thing that may be causing the issue is that the DMX signal from the ION is too fast for the dimmer you have. Expression 3 can't output DMX at the absolute blazing maximum that's theoretically possible, while ION can do so.

In the ION shell, you can try slowing the relevant physical port down to Medium or Slow. This does reduce the DMX update rate, but you'll never see the difference when driving dimmers.

They are Dimension 192 Dimmers. The one in question, like I said above, is a 12K dimmer that feeds a sub-panel that has 15A breakers in it for each of the House light pigtails in the theatre.

I changed the DMX speed form Max to Fast. I have tried it on all of the speeds that the ION will out put, with no effect.

I have not yet put a scope on the DMX. I will try that on Monday.  

When you tried the other speeds, did you reboot the console after setting each speed? 

At the moment, to adjust the driver settings a reboot is required for a speed change.  If you haven't, I'd set the speed down to low and give that a try.