Inspection, Maintenance, and Troubleshooting
9.2.1 Troubleshooting Problems with Alarm Displays
9 -22
J
J
A.b1
A.b1: Reference Speed Input Read Error
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALM
Output
ALO1
ALO2
ALO3
Output
OFF
OFF
OFF
OFF
Note
OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
At power ON
C
During Servomotor
operation
A, B
Cause
Remedy
A
Error in reference read--in unit (A/D Con-
verter, etc.).
Reset alarm and restart operation.
B
Reference read--in unit faulty (A/D Con-
verter, etc.).
Replace Servopack.
C
Circuit board (1PWB) defective.
Replace Servopack.
J
J
A.b2
A.b2: Reference Torque Input Read Error
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALM
Output
ALO1
ALO2
ALO3
Output
OFF
OFF
OFF
OFF
Note
OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
At power ON
C
During Servomotor
operation
A, B
Cause
Remedy
A
Error in reference read--in unit (A/D Con-
verter, etc.).
Reset alarm and restart operation.
B
Reference read--in unit faulty (A/D Con-
verter, etc.).
Replace Servopack.
C
Circuit board (1PWB) defective.
Replace Servopack.
9
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