A.ca, Display and outputs, Status and remedy for alarm – Yaskawa MP940 User Manual
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SERVOPACK Inspection, Maintenance, and Troubleshooting
10.2.1 Troubleshooting Problems with Alarm Displays
10-24
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 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 discon-
nected.
Check wiring and connectors at
encoder.
B
Encoder defective.
Replace servomotor.
C
SERVOPACK defective.
Replace SERVOPACK.
A,B
At power ON
A,B,C
At power ON