Today continue checking1. All LED mcpcb boards. All 4 LED board working not problem2. 2nd and 3rd Coralux Driver Board2nd Board Problem:1, 4 and 5 not working. No output.(change 3 LDD driver also same)
3 ok
2 Any LDD driver power up ,LDD will burnt
3rd Board Problem
1 and 4 not working. No output(Change 3 LDD driver also same)
Just wrote to LEDGroupBuy about the 2 pieces of problem board