YASKAWA SGD7S-R70A20A023F40B Product Manual page 179

Alarm Number:
Possible Cause
Alarm Name
The WDT data at the
host controller was
not updated correctly
at the start of syn-
chronous communi-
cations, so
A.E51:
synchronous commu-
MECHATROLINK
nications could not be
Synchronization
started.
Failed
A failure occurred in
the SERVOPACK.
MECHATROLINK wir-
ing is not correct.
A MECHATROLINK
*4
A.E60 :
data reception error
Reception Error in
occurred due to
MECHATROLINK
noise.
Communications
A failure occurred in
the SERVOPACK.
The MECHATROLINK
transmission cycle
A.E61:
fluctuated.
Synchronization
Interval Error in
MECHATROLINK
Transmission
A failure occurred in
Cycle
the SERVOPACK.
Confirmation
Check to see if the WDT
Correctly update the WDT
data is being updated in
data at the host controller.
the host controller.
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-
Check the MECHA-
tions Cable wiring.
TROLINK wiring.
Correctly connect the ter-
minator.
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.
Remove the cause of
Check the setting of the
transmission cycle fluctu-
MECHATROLINK trans-
ation at the host control-
mission cycle.
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.
5.2 FT41 Specification
5.2.3 Troubleshooting Alarms
Continued from previous page.
Correction Reference
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