15.2 Alarm Displays
15.2.1 List of Alarms
15-8
8A6
hex
*2
External Encoder Over-
heated
An overheating error occurred in the external
encoder.
Gr.1
Yes
A10 hex
EtherCAT DC Synchroni-
zation Error
*1
The SERVOPACK and Sync0 events cannot be
synchronized.
Gr.2
Yes
A11 hex 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
A12 hex
EtherCAT Outputs Data
Synchronization Error
*1
The process data reception events and Sync0
events cannot be synchronized. (Process data
communications failed.)
Gr.2
Yes
A20 hex Parameter Setting Error
A parameter setting exceeds the setting range.
Gr.1
No
A40 hex System Initialization Error
Initialization failed when the power supply was
turned ON.
Gr.1
No
A41 hex
Communication Device
Initialization Error
An error occurred during ESC initialization.
Gr.1
No
A47 hex
Loading Servo Information
Error
Loading SERVOPACK information failed.
Gr.1
No
A48 hex
EEPROM Parameter Data
Error
A checksum error occurred in the EEPROM.
Gr.1
No
b33 hex Current Detection Error 3
An error occurred in the current detection circuit.
Gr.1
No
bF0 hex System Alarm 0
Internal program error 0 occurred in the SERVO-
PACK.
Gr.1
No
bF1 hex System Alarm 1
Internal program error 1 occurred in the SERVO-
PACK.
Gr.1
No
bF2 hex System Alarm 2
Internal program error 2 occurred in the SERVO-
PACK.
Gr.1
No
bF3 hex System Alarm 3
Internal program error 3 occurred in the SERVO-
PACK.
Gr.1
No
bF4 hex System Alarm 4
Internal program error 4 occurred in the SERVO-
PACK.
Gr.1
No
C10 hex Servomotor Out of Control
The Servomotor ran out of control.
Gr.1
Yes
C20 hex Phase Detection Error
The detection of the phase is not correct.
Gr.1
No
C21 hex Polarity Sensor Error
An error occurred in the polarity sensor.
Gr.1
No
C22 hex
Phase Information Dis-
agreement
The phase information does not match.
Gr.1
No
C50 hex Polarity Detection Failure
The polarity detection failed.
Gr.1
No
C51 hex
Overtravel Detected
during Polarity Detection
The overtravel signal was detected during polarity
detection.
Gr.1
Yes
C52 hex
Polarity Detection Not
Completed
The servo was turned ON before the polarity was
detected.
Gr.1
Yes
C53 hex
Out of Range of Motion for
Polarity Detection
The travel distance exceeded the setting of
Pn48E (248E hex) (Polarity Detection Range).
Gr.1
No
C54 hex
Polarity Detection Failure
2
The polarity detection failed.
Gr.1
No
C80 hex
Encoder Clear Error or
Multiturn Limit Setting
Error
The multiturn data for the absolute encoder was
not correctly cleared or set.
Gr.1
No
C90 hex
Encoder Communications
Error
Communications between the encoder and SER-
VOPACK is not possible.
Gr.1
No
C91 hex
Encoder Communications
Position Data Acceleration
Rate Error
An error occurred in calculating the position data
of the encoder.
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?