YASKAWA SGD7S Product Manual page 444

12.2 Alarm Displays
12.2.2 Troubleshooting Alarms
Alarm Number:
Alarm Name
A.E61:
Synchronization
Interval Error in
MECHATROLINK
Transmission
Cycle
A.E63:
MECHATROLINK
Synchronization
Frame Not
Received
A.E71:
Safety Option
Module Detec-
tion Failure
A.E72:
Feedback Option
Module Detec-
tion Failure
12-38
Possible Cause
The MECHATROLINK Check the setting of the
transmission cycle MECHATROLINK trans-
fluctuated. mission cycle.
A failure occurred in
–
the SERVOPACK.
MECHATROLINK wir- Check the Servomotor
ing is not correct. wiring.
A MECHATROLINK
data reception error
–
occurred due to
noise.
A failure occurred in
–
the SERVOPACK.
There is a faulty con- Check the connection
nection between the between the SERVO-
SERVOPACK and the PACK and the Safety
Safety Option Module. Option Module.
The Safety Option
Module was discon- –
nected.
A failure occurred in
the Safety Option –
Module.
A failure occurred in
–
the SERVOPACK.
There is a faulty con-
Check the connection
nection between the
between the SERVO-
SERVOPACK and the
PACK and the Feed-
Feedback Option
back Option Module.
Module.
The Feedback Option
Module was discon- –
nected.
A failure occurred in
the Feedback Option –
Module.
A failure occurred in
–
the SERVOPACK.
Confirmation
Remove the cause of
transmission cycle fluctu-
ation at the host control-
ler.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Correct the MECHA-
TROLINK Communica-
tions Cable wiring.
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.)
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Correctly connect the
Safety Option Module.
Execute Fn014 (Reset
Option Module Configura-
tion Error) from the Digital
Operator or SigmaWin+
and then turn the power
supply to the SERVO-
PACK OFF and ON again.
Replace the Safety Option
Module.
Replace the SERVO-
PACK.
Correctly connect the
Feedback Option Module.
Reset the Option Module
configuration error and
turn the power supply to
the SERVOPACK OFF and
ON again.
Replace the Feedback
Option Module.
Replace the SERVO-
PACK.
Continued from previous page.
Correction Reference
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page 12-45
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page 12-45
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Continued on next page.