Having issues with Alarm Display: A.CF2 Alarm Name: Fully-closed Serial Converter Unit Communications Error (Timer Stopped) on Sony SI-F209 Electronic Part Mounter? Read our step-by-step SMT maintenance solution below. If you require replacement feeders, nozzles, or sensors, contact SMTBOX for OEM-compatible parts.
Alarm Display: A.CF2
Alarm Name: Fully-closed Serial Converter Unit Communications Error (Timer Stopped)
Situation at Alarm Occurrence: Occurred when the control power supply was turned ON or during operation.
Cause: Noise interferes with the cable between serial converter unit and SERVOPACK.
Corrective Actions: Correct the wiring around serial converter unit, e.g., separating signal line from power line or grounding.
Cause: A serial converter unit fault occurred.
Corrective Actions: Replace the serial converter unit.
Cause: A SERVOPACK fault occurred.
Corrective Actions: Replace the SERVOPACK.
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