Alarm: 274 C LIMIT SWITCH
Haas Alarm Description:
Axis hit limit switch or switch disconnected. Stored stroke limits should stop the slides before they hit the limit switches. Verify the value of parameter Grid Offset and check wiring to the limit switch. Can also be caused by a loose encoder shaft at the back of the motor or coupling of motor to the screw.
References
- Haas Alarms PDF by Haas Automation, Inc.