Alarm: 678 TT or B AXIS DRIVE FAULT – Haas Mill
Haas Alarm Description:
Current in TT or B servo motor beyond limit. Possibly caused by a stalled or overloaded motor. The servos are turned off. This can be caused by running the axis into a mechanical stop, a short in the motor, or a short of one motor lead to ground.
- Haas Alarms PDF by Haas Automation, Inc.