Yaskawa Large Capacity Sigma II Series - Manual (Page 359)

8 Inspection, Maintenance, and Troubleshooting
8.2.1 Troubleshooting Problems with Alarm Displays
8-20
„ A.83
A.83: Absolute Encoder Battery Error
Display and Outputs
Note: OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
Note: No alarm will occur at the SERVOPACK if the battery error occurs
during operation.
Alarm Outputs
Alarm Code Outputs ALM Output
ALO1 ALO2 ALO3
OFF OFF OFF OFF
Cause Remedy
A • Battery not connected
• Battery connection defective Check and correct battery connection.
B Battery voltage below specified value.
Specified value: 2.7 V Install a new battery while the control
power to SERVOPACK is ON. After
replacement, turn ON the power again.
C Circuit board (1PWB) defective. Replace the servomotor.
At power ON
Pn002.2 = 0 or 2 A, B, C
C Pn002.2 = 1