10.2 Alarm Displays
10-13
10
Maintenance, Inspections, and
T
roubleshooting
A.d01:
Position Error
Overflow Alarm at
Servo ON
The position error is too large.
Check the position error amount
while the servomotor power is OFF. Set the Pn520 to proper value.
A.E02:
MECHATROLINK
Internal
Synchronization
Error 1
MECHATROLINK transmission
cycle fluctuated.
−
Remove the cause of transmission
cycle fluctuation at host controller.
A SERVOPACK fault occurred.
−
Restart the SERVOPACK. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
A.E40:
MECHATROLINK
Transmission Cycle
Setting Error
Setting of MECHATROLINK
transmission cycle is out of speci-
fications range.
Check the MECHATROLINK
transmission cycle setting.
Set the transmission cycle to the
proper value.
A.E41:
MECHATROLINK
Communications Data
Size Setting Error
The setting of the number of
transmission bytes (Pn881) is
wrong.
Check the MECHATROLINK com-
munications data size of the host
controller.
Set the number of transmission
bytes (Pn881) correctly.
A.E42:
MECHATROLINK
Station Address
Setting Error
The station address is out of the
allowable setting range.
Make sure that the station address
(Pn880) is set between 03 and EF.
Check the setting of the station
address of the host controller, and
reset the setting of the station
address (Pn880) to a proper value
between 03 and EF.
Two or more stations on the com-
munications network have the
same address.
Check that two or more stations on
the communications network have
the same address.
Check the setting of the station
address of the host controller, and
reset the setting of the station
address (Pn880) to a proper value
between 03 and EF.
The axis address setting is wrong.
Check the axis address setting
(Pn010 to Pn01B).
Set the axis address setting (Pn010
to Pn01B) to proper value.
A.E50:
MECHATROLINK
Synchronization Error
WDT data of host controller was
not updated correctly.
Check the WDT data updating for
the host controller.
Update the WDT data at the host
controller correctly.
A SERVOPACK fault occurred.
−
Restart the SERVOPACK. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
A.E51:
MECHATROLINK
Synchronization
Failed
WDT data of host controller was
not updated correctly at the syn-
chronization communications
start, and synchronization com-
munications could not start.
Check the WDT data updating for
the host controller.
Update the WDT data at the host
controller correctly.
A SERVOPACK fault occurred.
−
Restart the SERVOPACK. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
A.E60:
MECHATROLINK
Communications error
(Reception error)
MECHATROLINK wiring is
incorrect.
Check the MECHATROLINK wir-
ings.
Correct the MECHATROLINK wir-
ing.
Connect the terminator correctly.
MECHATROLINK data recep-
tion error occurred due to noise
interference.
−
Take measures against noise. Check
the MECHATROLINK communi-
cations cable and FG wiring and
take measures such as adding ferrite
core on the MECHATROLINK
communications cable.
A SERVOPACK fault occurred.
−
Restart the SERVOPACK. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
(cont’d)
Alarm Number:
Alarm Name
(Alarm Description)
Cause
Investigative Actions
Corrective Actions
