16.2 Alarm Displays
16.2.1 List of Alarms
16-8
8A5h
*2
External Encoder Over-
speed
An overspeed error occurred in the external
encoder.
Gr.1
Yes
8A6h
*2
External Encoder Over-
heated
An overheating error occurred in the external
encoder.
Gr.1
Yes
A10h
EtherCAT DC Synchroni-
zation Error
*1
The SERVOPACK and Sync0 events cannot be
synchronized.
Gr.2
Yes
A11h
EtherCAT State Error
The EtherCAT AL does not move to the Opera-
tional state when the DS402 drive is in Operation
Enabled state.
Gr.2
Yes
A12h
EtherCAT Outputs Data
Synchronization Error
*1
The process data reception events and Sync0
events cannot be synchronized. (Process data
communications failed.)
Gr.2
Yes
A20h
Parameter Setting Error
A parameter setting exceeds the setting range.
Gr.1
No
A40h
System Initialization Error
Initialization failed when the power supply was
turned ON.
Gr.1
No
A41h
Communication Device
Initialization Error
An error occurred during ESC initialization.
Gr.1
No
A47h
Loading Servo Information
Error
Loading SERVOPACK information failed.
Gr.1
No
A48h
EEPROM Parameter Data
Error
A checksum error occurred in the EEPROM.
Gr.1
No
b33h
Current Detection Error 3
An error occurred in the current detection circuit.
Gr.1
No
bF0h
System Alarm 0
Internal program error 0 occurred in the SERVO-
PACK.
Gr.1
No
bF1h
System Alarm 1
Internal program error 1 occurred in the SERVO-
PACK.
Gr.1
No
bF2h
System Alarm 2
Internal program error 2 occurred in the SERVO-
PACK.
Gr.1
No
bF3h
System Alarm 3
Internal program error 3 occurred in the SERVO-
PACK.
Gr.1
No
bF4h
System Alarm 4
Internal program error 4 occurred in the SERVO-
PACK.
Gr.1
No
bF5h
System Alarm 5
Internal program error 5 occurred in the SERVO-
PACK.
Gr.1
No
bF6h
System Alarm 6
Internal program error 6 occurred in the SERVO-
PACK.
Gr.1
No
bF7h
System Alarm 7
Internal program error 7 occurred in the SERVO-
PACK.
Gr.1
No
bF8h
System Alarm 8
Internal program error 8 occurred in the SERVO-
PACK.
Gr.1
No
C10h
Servomotor Out of Control
The Servomotor ran out of control.
Gr.1
Yes
C20h
Phase Detection Error
The detection of the phase is not correct.
Gr.1
No
C21h
Polarity Sensor Error
An error occurred in the polarity sensor.
Gr.1
No
C22h
Phase Information Dis-
agreement
The phase information does not match.
Gr.1
No
C50h
Polarity Detection Failure
The polarity detection failed.
Gr.1
No
C51h
Overtravel Detected
during Polarity Detection
The overtravel signal was detected during polarity
detection.
Gr.1
Yes
C52h
Polarity Detection Not
Completed
The servo was turned ON before the polarity was
detected.
Gr.1
Yes
C53h
Out of Range of Motion for
Polarity Detection
The travel distance exceeded the setting of
Pn48E (248Eh) (Polarity Detection Range).
Gr.1
No
Continued on next page.
Continued from previous page.
Alarm
Code
Alarm Name
Alarm Meaning
Servo-
motor
Stop-
ping
Method
Alarm
Reset
Possi-
ble?