12.2 Alarm Displays
12.2.1 List of Alarms
12-9
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.d10
Motor-Load Position Devi-
ation Overflow
There was too much position deviation between
the motor and load during fully-closed loop con-
trol.
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
A.E50*
MECHATROLINK Syn-
chronization Error
A synchronization error occurred during MECHA-
TROLINK communications.
Gr.2 Yes
A.E51
MECHATROLINK Syn-
chronization Failed
Synchronization failed during MECHATROLINK
communications.
Gr.2 Yes
A.E60*
Reception Error in
MECHATROLINK Commu-
nications
Communications errors occurred continuously
during MECHATROLINK communications.
Gr.2 Yes
A.E61
Synchronization Interval
Error in MECHATROLINK
Transmission Cycle
An error occurred in the transmission cycle
during MECHATROLINK communications.
Gr.2 Yes
A.E63
MECHATROLINK Syn-
chronization Frame Not
Received
Synchronization frames were continuously not
received during MECHATROLINK communica-
tions.
Gr.2 Yes
A.E71
Safety Option Module
Detection Failure
Detection of the Safety Option Module failed. Gr.1 No
A.E72
Feedback Option Module
Detection Failure
Detection of the Feedback Option Module failed. Gr.1 No
A.E74
Unsupported Safety
Option Module
An unsupported Safety Option Module was con-
nected.
Gr.1 No
A.Eb1
Safety Function Signal
Input Timing Error
An error occurred in the input timing of the safety
function signal.
Gr.1 No
A.EC8 Gate Drive Error 1 An error occurred in the gate drive circuit. Gr.1 No
A.EC9 Gate Drive Error 2 An error occurred in the gate drive circuit. Gr.1 No
A.Ed1
Command Execution Tim-
eout
A timeout error occurred for a MECHATROLINK
command.
Gr.2 Yes
A.F10
Power Supply Line Open
Phase
The voltage was low for more than one second
for phase R, S, or T when the main power supply
was ON.
Gr.2 Yes
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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