Alarm Display: A.CF1
Alarm Name: Fully-closed Serial Converter Unit Communications Error (Reception Error)
Situation at Alarm Occurrence: Occurred when the control power supply was turned ON or during operation.
Cause: Wiring of cable between serial converter unit and SERVOPACK is incorrect or faulty contact.
Corrective Actions: Correct the cable wiring.
Cause: The specified cable is not used between serial converter unit and SERVOPACK.
Corrective Actions: Use the specified cable.
Cause: Cable between serial converter unit and SERVOPACK is too long.
Corrective Actions: Use 20-m cable max.
Cause: Sheath of cable between serial converter unit and SERVOPACK is broken.
Corrective Actions: Replace the cable.