Cause LED display Huaping actually nothing more than: power supplies, adapters, board, the worst result is that LED lamp beads burn. The most common fault is the power, including as adapter damage, power loose, voltage instability, communication line interface is not solid, or cable appear damaged. You know the main reason we can remedy a step by step investigation targeted solutions:

1. Reconnect the communication lines, wiring instructions carefully view the LED display, and then according to the instructions above description carefully be wired interface to seated, to avoid a short circuit or poor contact phenomenon.

2, use a multimeter to test the LED display within the cable, to identify poor contact or short-circuit, and replace the high quality of the electrical connections.

3, the power LED display with a multimeter to check whether the grounding, the screen changes the flower may also be caused by this reason, if a problem occurs, the power ground can.

4, if the above methods can not solve the problem, then there may be an LED lamp beads or screen is broken, it is recommended to contact the manufacturer as soon as possible repair, in order to avoid further deterioration of the bad points.