Elation OPTI TRI WHITE PAR
No dmx control, or very little control, control IC on main control/display board may be defective, I've had this happen on a few fixtures so far.
74HC04DCT location- U-6 (14 pin flat pack surface mount IC)
Available at Digikey.com, or .ca, etc. since Elation is just board replacement.
Measure the voltage Plug next to it, it should be...
DMX. LED all off: 5v,0,0,0,0
DMX. LED all on: 5v,5,5,0,5