beautypg.com

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

Page 418

background image

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

See also other documents in the category Yaskawa Equipment: