Haas CNC Alarm 784 (Lathe) SP MOT ENC TRANSITION FAULT

Haas CNC Alarm 784 (Lathe) SP MOT ENC TRANSITION FAULT
Alarm Description, Cause & Remedy
Illegal transition of count pulses in Sp-axis. This alarm usually indicates that the encoder on the spindle motor has been damaged and encoder position data is unreliable. This can also be caused by loose connectors at the MOCON or MOTIF printed circuit board.


Haas CNC Alarm 784 (Lathe) SP MOT ENC TRANSITION FAULT