Alarm Display: A.022, Alarm Name: System Parameter Checksum Error 1 on Sony SI-F209

Alarm Display: A.022

Alarm Name:System Parameter Checksum Error 1

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

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

Correction Action:Correct the power supply, and set Fn005 to initialize the parameter.

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

Correction Action:Replace the SERVOPACK.