
5.2 FT41 Specification
5.2.3 Troubleshooting Alarms
5-92
A.E63:
MECHATROLINK
Synchronization
Frame Not
Received
MECHATROLINK wir-
ing is not correct.
Check the Servomotor
wiring.
Correct the MECHA-
TROLINK Communica-
tions Cable wiring.
–
A MECHATROLINK
data reception error
occurred due to
noise.
–
Implement countermea-
sures against noise.
(Check the MECHA-
TROLINK Communica-
tions Cable and FG
wiring, and implement
measures such as attach-
ing a ferrite core to the
MECHATROLINK Com-
munications Cable.)
–
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.E71:
Safety Option
Module Detec-
tion Failure
There is a faulty con-
nection between the
SERVOPACK and the
Safety Option Module.
Check the connection
between the SERVO-
PACK and the Safety
Option Module.
Correctly connect the
Safety Option Module.
–
The Safety Option
Module was discon-
nected.
–
Execute Fn014 (Reset
Option Module Configura-
tion Error) from the Digital
Operator or S
and then turn the power
supply to the SERVO-
PACK OFF and ON again.
*1
A failure occurred in
the Safety Option
Module.
–
Replace the Safety Option
Module.
–
A failure occurred in
the SERVOPACK.
–
Replace the SERVO-
PACK.
–
A.E72:
Feedback Option
Module Detec-
tion Failure
There is a faulty con-
nection between the
SERVOPACK and the
Feedback Option
Module.
Check the connection
between the SERVO-
PACK and the Feed-
back Option Module.
Correctly connect the
Feedback Option Module.
–
The Feedback Option
Module was discon-
nected.
–
Reset the Option Module
configuration error and
turn the power supply to
the SERVOPACK OFF and
ON again.
*1
A failure occurred in
the Feedback Option
Module.
–
Replace the Feedback
Option Module.
–
A failure occurred in
the SERVOPACK.
–
Replace the SERVO-
PACK.
–
A.E74:
Unsupported
Safety Option
Module
A failure occurred in
the Safety Option
Module.
–
Replace the Safety Option
Module.
–
An unsupported
Safety Option Module
was connected.
Refer to the catalog of
the connected Safety
Option Module.
Connect a compatible
Safety Option Module.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause
Confirmation
Correction
Reference
Summary of Contents for SERVOPACK Sigma 7 Series
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