Haas CNC Alarm 274 C LIMIT SWITCH

Haas CNC Alarm 274 C LIMIT SWITCH
Alarm Description, Cause & Remedy
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.


Haas CNC Alarm 274 C LIMIT SWITCH