i HAVE A PROBLEM ON DIMMERS I BOUGHT 18 UNITS FOR A GAME SHOW MY PROBLEM IS THE DIMMERS IS FLICKERING I CONNECTED TO 3 PHASE 4 WIRES PLUS GROUND THE CONTROL IS bEHRINGER lc 12/24 DO YOU HAVE ANY IDEA TO CORRECT THIS PROBLEM... THE SUPPLY VOLTAGE IS IS 380/220V WITH NEUTRAL I ALREADY CHECK SOME PROBLEM THAT WILL CAUSE NOISE PROBLEM I CHANGED THE DMX CABLE, I BOND THE NEUTRAL AND GROUND WHICH IS THE CORRECT PROCEDURE ON ELECTRICAL INSTALLATION.