There is LCD port in EGS002 board that has also pins for a LED. What the led indicates? From EGS002 datasheet:
EGS002 driver board provides LED warning indication function. User can determine problem according to the followings:
-Normal:Lighting always on
-Overcurrent:Blink twice, off for 2 seconds, and keep cycling
-Overvoltage:Blink 3 times, off for 2 seconds, and keep cycling
-Undervoltage:Blink 4 times, off for 2 seconds, and keep cycling
-Overtemperature:Blink 5 times, off for 2 seconds, and keep cycling