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Sigma II User's Manual
n
A.CA
A.CA: Encoder Parameter Error
Display and Outputs
Status and Remedy for Alarm
A
Defective encoder.
B
Defective servo amplifier.
n
A.Cb
A.Cb: Encoder Echoback Error
Display and Outputs
Alarm Outputs
Alarm Code Output
ALO1
ALO2
ON
OFF
Note:
OFF:
Output transistor is OFF (alarm state).
ON:
Output transistor is ON.
At power ON.
Cause of the Problem
Alarm Outputs
Alarm Code Output
ALO1
ALO2
ON
OFF
Note:
OFF:
Output transistor is OFF (alarm state).
ON:
Output transistor is ON.
Chapter 9: Inspection, Maintenance, and Troubleshooting
ALM Output
ALO3
ON
OFF
A, B
Solution
Replace servomotor.
Replace servo amplifier.
ALM Output
ALO3
ON
OFF
9-29
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