Sigma II User’s Manual
Chapter 9: Inspection, Maintenance, and Troubleshooting
9 - 30
A.Cb
A.Cb: Encoder Echoback Error
Display and Outputs
Note:
OFF:
Output transistor is OFF (alarm state).
ON:
Output transistor is ON.
Status and Remedy for Alarm
Alarm Outputs
Alarm Code Output
ALM Output
ALO1
ALO2
ALO3
ON
OFF
ON
OFF
Cause of the Problem
Solution
A
Incorrect or disconnected
encoder wiring.
Check wiring and connectors at
encoder.
B
Defective encoder.
Replace servomotor.
C
Defective servo amplifier.
Replace servo amplifier.
At power ON.
A, B
Summary of Contents for SGMAH
Page 1: ...Sigma II Series Servo System User s Manual...
Page 2: ......
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Page 6: ...iv This page intentionally left blank...
Page 10: ...Sigma II User s Manual Table of Contents Preface viii Notes...
Page 17: ...Sigma II User s Manual Table of Contents Preface xv C 6 Torque Control Mode C 9...
Page 18: ...Sigma II User s Manual Table of Contents Preface xvi...
Page 38: ...Sigma II User s Manual Chapter 2 Installation 2 10 NOTES...
Page 472: ...Sigma II User s Manual Appendix C Examples of Standard Connections C 10 Notes...
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