A.ca, Display and outputs, Status and remedy for alarm a.cb – Yaskawa Large Capacity Sigma II Series User Manual
Page 367: Status and remedy for alarm
8 Inspection, Maintenance, and Troubleshooting
8.2.1 Troubleshooting Problems with Alarm Displays
8-28
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
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 Outputs
ALM Output
ALO1
ALO2
ALO3
ON
OFF
ON
OFF
Cause
Remedy
A
Encoder defective.
Replace the servomotor.
B
SERVOPACK defective.
Replace SERVOPACK.
Alarm Outputs
Alarm Code Outputs
ALM Output
ALO1
ALO2
ALO3
ON
OFF
ON
OFF
Cause
Remedy
A
Encoder wiring incorrect or disconnected
Check wiring and connectors at encoder.
B
Encoder defective.
Replace the servomotor.
C
SERVOPACK defective.
Replace SERVOPACK.
At power ON
A, B
At power ON
A, B