D1-N Series Servo Drive User Manual        Errors And Warnings 
HIWIN MIKROSYSTEM Corp.           9-5 
No.  Error 
Corrective Action 
Check if all the cables are properly grounded. 
20 
Auto phase center 
not complete error 
or 
Phase initialization is not completed yet. 
Execute all the procedures in Auto phase center again. 
22 
DC bus voltage 
abnormal 
or 
DC bus voltage is abnormal. 
Check the input voltage. 
23 
EtherCAT 
interface is not 
detected 
E23NOET 
or 
ERR E23 
Servo drive does not detect EtherCAT interface or servo drive has no 
EtherCAT interface. 
(1)  Turn off the power of the servo drive. Power on the servo drive to 
detect EtherCAT interface again. 
(2)  The servo drive does not support EtherCAT. Check if the servo 
24 
CiA-402 homing 
error 
E24HOM.E 
or 
ERR E24 
An error occurs when performing CiA-402 homing and causes homing 
(1)  Check if left limit, right limit, near home sensor and index signal 
are normal. 
(2)  Check if the selected homing method is appropriate. 
The warnings of D1-N servo drive and their corrective actions are listed in table 9.1.2. 
Table 9.1.2 
No.  Error 
Corrective Action 
1  Left SW limit  WRN W01  The left software limit is reached. The motor cannot move leftward. 
2  Right SW limit  WRN W02  The right software limit is reached. The motor cannot move rightward. 
3  Left HW limit  WRN W03 
Left hardware limit is triggered. The motor cannot move leftward. 
(1)  If no hardware limit exists, please disable the function of hardware 
limit. 
(2)  If it is a false trigger, please check if the wiring or logic setting is 
4  Right HW limit  WRN W04 
Right hardware limit is triggered. The motor cannot move rightward. 
(1)  If no hardware limit exists, please disable the function of hardware 
limit. 
(2)  If it is a false trigger, please check if the wiring or logic setting is 
5 
Servo voltage 
big 
WRN W05 
The PWM output switch is greater than the limit value. The current 
output cannot be increased anymore. If this warning continuously 
occurs in position control, error “E03 PEBIG” may occur. 
(1)  Change power supply from 110 V to 220 V. 
(2)  Decrease speed, acceleration or deceleration. 
6 
Position error 
warning 
WRN W06 
Position error is greater than the value set for warning. 
(1)  Check if the servo gain is properly set. 
(2)  Check if the warning threshold is set to be too small. 
(3)  Check if the mechanism has been maintained regularly 
or the 
mechanism is lack of lubrication. 
7 
Velocity error 
warning 
WRN W07 
Velocity error is greater than the value set for warning. 
(1)  Check if the servo gain is properly set. 
(2)  Check if the warning threshold is set to be too small. 
(3) 
Check if the mechanism has been maintained regularly or the 
mechanism is lack of lubrication.