
12.2 Alarm Displays
12.2.1 List of Alarms
12-5
12
Maintenance
12.2
Alarm Displays
If an error occurs in the SERVOPACK, an alarm number will be displayed on the panel display.
This section provides a list of the alarms that may occur and the causes of and corrections for
those alarms.
12.2.1
List of Alarms
The list of alarms gives the alarm name, alarm meaning, alarm stopping method, alarm reset
possibility, and alarm code output in order of the alarm numbers.
Servomotor Stopping Method for Alarms
Refer to the following section for information on the stopping method for alarms.
5.14.2 Servomotor Stopping Method for Alarms
Alarm Reset Possibility
Yes: You can use an alarm reset to clear the alarm. However, this assumes that the cause of
the alarm has been removed.
No: You cannot clear the alarm.
List of Alarms
An alarm number
fla
s
he
s
on the di
s
play.
Alarm
Number
Alarm Name
Alarm Meaning
Servo-
motor
Stop-
ping
Method
Alarm
Reset
Possi-
ble?
Alarm Code
Output
ALO1 ALO2 ALO3
A.020
Parameter Checksum
Error
There is an error in the
parameter data in the
SERVOPACK.
Gr.1
No
H
H
H
A.021
Parameter Format Error
There is an error in the
parameter data format in the
SERVOPACK.
Gr.1
No
H
H
H
A.022
System Checksum Error
There is an error in the
parameter data in the
SERVOPACK.
Gr.1
No
H
H
H
A.024
System Alarm
An internal program error
occurred in the SERVO-
PACK.
Gr.1
No
H
H
H
A.025
System Alarm
An internal program error
occurred in the SERVO-
PACK.
Gr.1
No
H
H
H
A.030
Main Circuit Detector
Error
There is an error in the detec-
tion data for the main circuit.
Gr.1
Yes
H
H
H
A.040
Parameter Setting Error
A parameter setting is out-
side of the setting range.
Gr.1
No
H
H
H
Continued on next page.