Alarm: 671 TT or B LIMIT SWITCH – Haas Mill
Haas Alarm Description:
Axis hit limit switch or switch disconnected. The stored stroke limits should stop the slides before they hit the limit switches. Verify the value of Parameter 481, Grid Offset and check the wiring to the limit switch. Can also be caused by a loose encoder shaft at the back of the motor or the coupling of the motor to the screw.
- Haas Alarms PDF by Haas Automation, Inc.