Haas Alarm: 105 Z SERVO ERROR TOO LARGE – Load on Z-axis Servomotor has exceeded parameter 37 Z-axis Max Error. Servos are turned off and you must push RESET to clear the alarm and turn on the servos. Dull cutting tools or an incorrect program is exceeding the Max Load for this axis. Vertical mill: Servo brake may not be disengaging. 24VDC is needed to release brake. Power for servo brake is supplied from Trans/Brake PCB P5/P9, or on I/O PCB P78/P79 when servos are powered on. Verify power to AMP +/- 12 325VDC Buss.