Alarm: 642 642 APC-PIN CLEAR SWITCH FAULT – Haas Mill
Haas Alarm Description:
One of the pallet changer pin clear switches was contacted unexpectedly. The most likely cause is debris on a switch. Also check the pin clear switches for damage and their electrical wiring for damage. After correcting the condition, run M50 to continue machining.
References
- Haas Alarms PDF by Haas Automation, Inc.