A.ca, Display and outputs, Status and remedy for alarm – Yaskawa Sigma II Series Servo System User Manual

Page 417

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Sigma II User’s Manual

Chapter 9: Inspection, Maintenance, and Troubleshooting

9 - 29

A.CA

A.CA: Encoder Parameter 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

Defective encoder.

Replace servomotor.

B

Defective servo amplifier.

Replace servo amplifier.

At power ON.

A, B

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