3.1 FT82 SERVOPACKs with Analog Voltage/Pulse Train References
3.1.1 Alarm Displays
3-3
3
Maintenance
3.1
FT82 SERVOPACKs with Analog Voltage/Pulse Train References
3.1.1
Alarm Displays
If an error occurs in the SERVOPACK, an alarm number will be displayed on the panel display.
However, if
-
appears on the panel display, the display will indicate a SERVOPACK
communications error. Replace the SERVOPACK.
3.1.2
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 manual for information on the stopping method for alarms.
Σ
-7-Series
Σ
-7S SERVOPACK with Analog Voltage/Pulse Train References Product Manual
(Manual No.: SIEP S800001 26)
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
Example: If an A.020 alarm occur
s
,
“020” will fla
s
h 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 SER-
VOPACK.
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 SER-
VOPACK.
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
Continued on next page.