Yaskawa DV1 fault code meaning

Series: L7

Missing Z phase pulse detection

drive

Meaning: (Continuously detected while power is on) No Z phase pulse is detected during one motor revolution; The PG cable wiring is incorrect; The PG cable is open; PG (motor side) is damaged

Possible causes

Source: Yaskawa L7 Series Elevator Drive Instruction Manual Fault Diagnosis P263