Make sure to check the package, all units and accessories are included.


Visual Inspection:


Perform visual inspection on main board to detect:

  • Any Defects
  • Tracks Damage
  • Bad Soldering
  • Burned Spots
  • Missing RTC Battery
  • Connector Screws (Missing or loose)
  • Short Cables (Missing or wrong connection)


Main Board Ideal Condition:


  • Line to Line connection



  • Line to Neutral connection



  • Main Board Back Side