A7D5 : Unexpected Current Gun 3

To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.

  • Swap in known good gun.
  • Swap in known good hose.
  • Check for damaged wiring inside the gun manifold that could cause a short circuit to the grounded gun body.

 

  • Check gun heater resistance to ground at the gun connector. 
    • See connector wiring diagram in the corresponding gun instruction manual.
  • Replace faulty gun heater.
  • Replace faulty AMZ circuit board.

 

  • Replace faulty MZLP circuit board.