1. Check whether the address code is logarithmic? If the address code is correct but uncontrolled, check whether the three stamens of the signal line are inverted or not, and check whether the connection between the carousel and the carousel is in condition (bad contact);

2: If the address code is right, the DMX lamp at the address code will flicker normally, if it is not, there will be a connection problem.

3. Use the same console and then go to a separate connection to make a lamp test, if there is no problem, it will prove that the uncontrolled lamp motherboard or display board problems.