Haas Alarm: 187 B SERVO ERROR TOO LARGE – Lathe
Haas Alarm: 187 B SERVO ERROR TOO LARGE – Lathe
Haas Alarm Description
Too much load or speed on B-axis motor. The difference between the motor position and the commanded position has exceeded a parameter. The motor may also be stalled, disconnected, or the driver failed. The servos will be turned off and a Reset must be done to restart. This alarm can be caused by problems with the driver, motor, or the slide being run into the mechanical stops.
References
Haas CNC Alarms and Troubleshooting by official Haas Automation documentation.
Have you faced Haas Alarm 187 (L) B SERVO ERROR TOO LARGE – Lathe on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and programmers clear this error faster!