3.4 Command Option Attachable-type FT82 SERVOPACKs with INDEXER Modules
3.4.3 Troubleshooting Alarms
3-172
A.d10:
Motor-Load Posi-
tion Deviation
Overflow
The motor direction
and external encoder
installation orientation
are backward.
Check the motor direc-
tion and the external
encoder installation ori-
entation.
Install the external
encoder in the opposite
direction, or change the
setting of Pn002 =
n.X
(External
Encoder Usage) to
reverse the direction.
*1
There is an error in the
connection between
the load (e.g., stage)
and external encoder
coupling.
Check the coupling of
the external encoder.
Check the mechanical
coupling.
–
A.d30:
Position Data
Overflow
The position data
exceeded
±
1,879,048,192.
Check the input refer-
ence pulse counter.
Reconsider the operating
specifications.
–
A.E00:
Command Option
Module IF Initial-
ization Timeout
Error
The connection
between the SERVO-
PACK and the com-
mand option module
is faulty.
Check the connection
between the SERVO-
PACK and the com-
mand option module.
Correctly connect the
command option module.
–
A command option
module fault
occurred.
–
Replace the command
option module.
–
A SERVOPACK fault
occurred.
–
Replace the SERVO-
PACK.
–
A.E02:
Command Option
Module IF
Synchronization
Error 1
The timing of synchro-
nization between the
servomotor and com-
mand option module
changed due to
change in the com-
munications cycle of
the host controller
connected to the
command option
module.
–
Turn the power supply
OFF and then ON again. If
the alarm occurs again,
restart communications
processing from the host
controller.
–
The connection
between the SERVO-
PACK and the com-
mand option module
is faulty.
Check the connection
between the SERVO-
PACK and the com-
mand option module.
Correctly connect the
command option module.
–
A command option
module fault
occurred.
–
Replace the command
option module.
–
A SERVOPACK fault
occurred.
–
Replace the SERVO-
PACK.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause
Confirmation
Correction
Reference