A7D0 : Unexpected Current Melter

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

  • Check for damaged wiring at J24 of the AMZ board.

 

  • Check heater resistance to ground at J24 of the AMZ board.
  • Replace faulty heater(s).
  • Replace faulty AMZ circuit board.

 

  • Replace faulty MZLP circuit board.