6.1 Alarm Displays
6.1.1 List of Alarms
6-5
A.C22
Phase Information
Disagreement
The phase information does not match. Gr.1 No
A.C50 Polarity Detection Failure The polarity detection failed. Gr.1 No
A.C51
Overtravel Detected
during Polarity Detection
The overtravel signal was detected during polarity
detection.
Gr.1 Yes
A.C52
Polarity Detection Not
Completed
The servo was turned ON before the polarity was
detected.
Gr.1 Yes
A.C53
Out of Range of Motion for
Polarity Detection
The travel distance exceeded the setting of
Pn48E (Polarity Detection Range).
Gr.1 No
A.C54
Polarity Detection Failure
2
The polarity detection failed. Gr.1 No
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
SERVOPACK 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
A.CC0
Multiturn Limit Disagree-
ment
Different multiturn limits have been set in the
encoder and the SERVOPACK.
Gr.1 No
A.d00
Position Deviation Over-
flow
The setting of Pn520 (Position Deviation Overflow
Alarm Level) was exceeded by the position devia-
tion while the servo was ON.
Gr.1 Yes
A.d01
Position Deviation Over-
flow Alarm at Servo ON
The servo was turned ON after the position devi-
ation exceeded the setting of Pn526 (Position
Deviation Overflow Alarm Level at Servo ON)
while the servo was OFF.
Gr.1 Yes
A.d02
Position Deviation Over-
flow Alarm for Speed Limit
at Servo ON
If position deviation remains in the deviation
counter, the setting of Pn529 or Pn584 (Speed
Limit Level at Servo ON) limits the speed when
the servo is turned ON. This alarm occurs if a
position reference is input and the setting of
Pn520 (Position Deviation Overflow Alarm Level)
is exceeded before the limit is cleared.
Gr.2 Yes
A.d30 Position Data Overflow
The position feedback data exceeded
±1,879,048,192.
Gr.1 No
A.E02 MECHATROLINK Internal
Synchronization Error 1
A synchronization error occurred during MECHA-
TROLINK communications with the SERVO-
PACK.
Gr.1 Yes
A.E40
MECHATROLINK Trans-
mission Cycle Setting
Error
The setting of the MECHATROLINK communica-
tions transmission cycle is not correct.
Gr.2 Yes
A.E41
MECHATROLINK Commu-
nications Data Size Set-
ting Error
The setting of the MECHATROLINK communica-
tions data size is not correct.
Gr.2 Yes
A.E42 MECHATROLINK Station
Address Setting Error
The setting of the MECHATROLINK station
address is not correct.
Gr.2 No
Continued on next page.
Continued from previous page.
Alarm
Number
Alarm Name Alarm Meaning
Servo-
motor
Stop-
ping
Method
Alarm
Reset
Possi-
ble?
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