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.