How to reset the controller
Steps to reset controller:
1.Power off the LED sign
2.Hold the button and turn on the Power
3.Holding 50 second
4.Release the button and Power off
5.Power on again

Steps to reset controller:
1.Power off the LED sign
2.Hold the button and turn on the Power
3.Holding 50 second
4.Release the button and Power off
5.Power on again