5.2 List of Alarms
5-3
5
Maintenance
5.2
List of Alarms
The list of alarms gives the alarm name, alarm meaning, alarm stopping method, and alarm
reset possibility in order of the alarm numbers.
Servomotor Stopping Method for Alarms
Refer to the following manual for information on the stopping method for alarms.
Σ
-7-Series
Σ
-7S SERVOPACK with MECHATROLINK-III Communications References Product Manual
(Manual No.: SIEP S800001 28)
Σ
-7-Series
Σ
-7S SERVOPACK with MECHATROLINK-III Communications References and RJ-45 Connectors Prod-
uct Manual (Manual No.: SIEP S800001 62)
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
Alarm
Number
Alarm Name
Alarm Meaning
Servo-
motor
Stop-
ping
Method
Alarm
Reset
Possi-
ble?
A.020
Parameter Checksum
Error
There is an error in the parameter data in the
SERVOPACK.
Gr.1
No
A.021
Parameter Format Error
There is an error in the parameter data format in
the SERVOPACK.
Gr.1
No
A.022
System Checksum Error
There is an error in the parameter data in the
SERVOPACK.
Gr.1
No
A.024
System Alarm
An internal program error occurred in the SER-
VOPACK.
Gr.1
No
A.025
System Alarm
An internal program error occurred in the SER-
VOPACK.
Gr.1
No
A.030
Main Circuit Detector
Error
There is an error in the detection data for the
main circuit.
Gr.1
Yes
A.040
Parameter Setting Error
A parameter setting is outside of the setting
range.
Gr.1
No
A.041
Encoder Output Pulse
Setting Error
The setting of Pn212 (Encoder Output Pulses) or
Pn281 (Encoder Output Resolution) is outside of
the setting range or does not satisfy the setting
conditions.
Gr.1
No
A.042
Parameter Combination
Error
The combination of some parameters exceeds
the setting range.
Gr.1
No
A.044
Semi-Closed/Fully-Closed
Loop Control Parameter
Setting Error
The settings of the Option Module and Pn002 =
n.X
(External Encoder Usage) do not
match.
Gr.1
No
A.04A
Parameter Setting Error 2
There is an error in the bank members or bank
data settings.
Gr.1
No
A.050
Combination Error
The capacities of the SERVOPACK and Servomo-
tor do not match.
Gr.1
Yes
A.051
Unsupported Device
Alarm
An unsupported device was connected.
Gr.1
No
A.0b0
Invalid Servo ON Com-
mand Alarm
The SV_ON (Servo ON) command was sent from
the host controller after a utility function that turns
ON the Servomotor was executed.
Gr.1
Yes
Continued on next page.
