Cause : Z Pulse Fault (CLV/PM control mode only) comes when the motor turned one full rotation without the Z Pulse being detected.

PG encoder is disconnected, improperly wired, or the PG option card or PG encoder are damaged.

• Make sure the PG encoder is properly connected and all shielded lines are properly grounded.
• If the problem continues after cycling power, replace the PG option card or the PG encoder.