Alarm Display: A.02b Alarm Name: System Parameter Checksum Error 2 on Sony SI-F209

Alarm Display: A.02b

Alarm Name: System Parameter Checksum Error 2

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

1. Cause: The control power supply lowered and sometimes ranged from 30 VAC to 60 VAC.

1. Corrective Actions: Correct the power supply, and set Fn005 to initialize the parameter.

2. Cause: The SERVOPACK EEPROM and the related circuit are faulty.

2. Corrective Actions: Replace the SERVOPACK.