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Sigma II User's Manual
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A.83
A.83: Absolute Encoder Battery Error
Display and Outputs
Status and Remedy for Alarm
• Disconnected battery.
A
• Defective battery connection.
Battery voltage below specified value.
B
Specified value: 2.7V.
C
Defective circuit board (1PWB).
Note: No alarm will occur at the servo amplifier is the battery error occurs during operation.
Alarm Outputs
Alarm Code Output
ALO1
ALO2
OFF
OFF
Note:
OFF:
Output transistor is OFF (alarm state).
At power ON.
When parameter
Pn002.2 = 0 or 2
When parameter
Pn002.2 = 1
Cause of the Problem
Chapter 9: Inspection, Maintenance, and Troubleshooting
ALM Output
ALO3
OFF
OFF
A, B, C
C
Solution
Check and correct battery connec-
tion.
Install a new battery while the control
power to the servo amplifier is ON.
After replacement, cycle the power
OFF and ON again.
Replace servo amplifier.
9-21
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