Cause : SAFE STOP alarm active comes when the drive's safety functionality has been triggered, intentionally stopping the motor and preventing unexpected operation. This means the switch for blocking the inverter pulses (X9 terminal 5-6) has been opened (only for units with Order No. ...-11, ...-21, ...-31, ...-61).

The A017 alarm in siemens master drive indicates a SAFE STOP alarm active. This means the drive's internal safety function has been triggered, forcing the motor to stop immediately.