Alarm Display: A.8A1. Alarm Name: Fully-closed Serial Encoder Module Error on Sony SI-F209 Electronic Part Mounter

Alarm Display: A.8A1.

Alarm Name: Fully-closed Serial Encoder Module Error.

Situation at Alarm Occurrence: Occurred when the control power supply was turned ON or during operation.

Cause: A linear encoder fault occurred.
Corrective Actions: Replace the linear recorder.

Cause: A scale converter unit fault occurred.
Corrective Actions: Replace the serial converter unit.