YASKAWA SGDV User Manual page 161

6 Adjustments
6.1.4 Safety Precautions on Adjustment of Servo Gains
Related Alarms
Alarm
Display
A.d01
A.d02
When an alarm occurs, refer to 9 Troubleshooting and take the corrective actions.
6-10
Alarm Name
This alarm occurs if the servomotor power is turned ON when the position
Position Error Overflow
error is greater than the set value of Pn526 while the servomotor power is
Alarm at Servo ON
OFF.
When the position errors remain in the error counter, Pn529 limits the speed
Position Error Overflow if the servomotor power is turned ON. If Pn529 limits the speed in such a
Alarm by Speed Limit at state, this alarm occurs when reference pulses are input and the number of
Servo ON position errors exceeds the value set for the excessive position error alarm
level (Pn520).
Meaning