So, just to reiterate what everyone else is saying this fight is horrid. Not sure how it made it out of testing in it's current state.
Here is your puzzle box. I just spawned it on my server as I was growing bored of bashing my head against the wall that is the Emperor fight. Thanks for the T7 companion for this fight! I actually had forgoten why I turned him into a crafting bot 35 levels ago!
Box no open...
I don't get an out of range error the channel bar just goes away.
Back to the fight I guess...
Edit: Where do you change the time on these forums? I have been all through my preferences and can't find the option. Forum says it's 2am right now.