
5.2 List of Alarms
5
Maintenance
5-5
A.862
Overheat Alarm
The input voltage (temperature) for the overheat
protection input (TH) signal exceeded the setting
of Pn61B (Overheat Alarm Level).
Gr.1
Yes
A.8A0
External Encoder Error
An error occurred in the external encoder.
Gr.1
Yes
A.8A1
External Encoder Module
Error
An error occurred in the Serial Converter Unit.
Gr.1
Yes
A.8A2
External Incremental
Encoder Sensor Error
An error occurred in the external encoder.
Gr.1
Yes
A.8A3
External Absolute Encoder
Position Error
An error occurred in the position data of the
external encoder.
Gr.1
Yes
A.8A5
External Encoder Over-
speed
An overspeed error occurred in the external
encoder.
Gr.1
Yes
A.8A6
External Encoder Over-
heated
An overheating error occurred in the external
encoder.
Gr.1
Yes
A.b33
Current Detection Error 3
An error occurred in the current detection circuit.
Gr.1
No
A.b6A
MECHATROLINK Commu-
nications ASIC Error 1
ASIC error 1 occurred in MECHATROLINK com-
munications.
Gr.1
No
A.b6b
MECHATROLINK Commu-
nications ASIC Error 2
ASIC error 2 occurred in MECHATROLINK com-
munications.
Gr.2
No
A.bF0
System Alarm 0
Internal program error 0 occurred in the SERVO-
PACK.
Gr.1
No
A.bF1
System Alarm 1
Internal program error 1 occurred in the SERVO-
PACK.
Gr.1
No
A.bF2
System Alarm 2
Internal program error 2 occurred in the SERVO-
PACK.
Gr.1
No
A.bF3
System Alarm 3
Internal program error 3 occurred in the SERVO-
PACK.
Gr.1
No
A.bF4
System Alarm 4
Internal program error 4 occurred in the SERVO-
PACK.
Gr.1
No
A.bF5
System Alarm 5
Internal program error 5 occurred in the SERVO-
PACK.
Gr.1
No
A.bF6
System Alarm 6
Internal program error 6 occurred in the SERVO-
PACK.
Gr.1
No
A.bF7
System Alarm 7
Internal program error 7 occurred in the SERVO-
PACK.
Gr.1
No
A.bF8
System Alarm 8
Internal program error 8 occurred in the SERVO-
PACK.
Gr.1
No
A.C10
Servomotor Out of Control
The Servomotor ran out of control.
Gr.1
Yes
A.C80
Encoder Clear Error or
Multiturn Limit Setting
Error
The multiturn data for the absolute encoder was
not correctly cleared or set.
Gr.1
No
A.C90
Encoder Communications
Error
Communications between the encoder and SER-
VOPACK is not possible.
Gr.1
No
A.C91
Encoder Communications
Position Data Acceleration
Rate Error
An error occurred in calculating the position data
of the encoder.
Gr.1
No
A.C92
Encoder Communications
Timer Error
An error occurred in the communications timer
between the encoder and SERVOPACK.
Gr.1
No
A.CA0
Encoder Parameter Error
The parameters in the encoder are corrupted.
Gr.1
No
A.Cb0
Encoder Echoback Error
The contents of communications with the
encoder are incorrect.
Gr.1
No
Continued on next page.
Continued from previous page.
Alarm
Number
Alarm Name
Alarm Meaning
Servo-
motor
Stop-
ping
Method
Alarm
Reset
Possi-
ble?