Omron SJDE-ANA-OY Manual page 145

Alarm Alarm Name
Display
A.720
Overload:
Low load
A.730
Dynamic
Brake Over-
load
Situation at Alarm
Occurrence
Occurred when the The servomotor wiring is
servo was turned incorrect or connection is
ON. faulty.
The encoder wiring is incor-
rect or connection is faulty.
The SERVOPACK is faulty.
Occurred when the The servomotor wiring is
servomotor did not incorrect or connection is
run by the refer- faulty.
ence input.
The encoder wiring is incor-
rect or connection is faulty.
The starting torque exceeds
the maximum torque.
The SERVOPACK is faulty.
Occurred while the The effective torque excee-
servomotor was ds the rated torque, or the
running. starting torque largely
exceeds the rated torque.
The SERVOPACK is faulty.
Occurred when the The servomotor did not stop
servo was turns 3 seconds or more after the
OFF while the ser- servo was turned OFF.
vomotor was run-
ning.
8.3 Alarm/Warning Display and Troubleshooting
Cause
143
Corrective Actions
Correct the servomotor main
circuit cable wiring.
Correct the encoder wiring.
• Replace the SERVOPACK.
• Contact your Omron
Yaskawa representative.
Correct the servomotor main
circuit cable wiring.
Correct the encoder wiring.
Reconsider the load and oper-
ation conditions.
• Replace the SERVOPACK.
• Contact your Omron
Yaskawa representative.
Reconsider the load and oper-
ation conditions.
• Replace the SERVOPACK.
• Contact your Omron
Yaskawa representative.
Reconsider the load and oper-
ation conditions.
Check if the servomotor is
rotated by external force.
(cont'd)