YASKAWA SGD7S series Product Manual page 187

9.1 Alarm Displays
9.1.2 Troubleshooting Alarms
Alarm Number:
Alarm Name
A.E02:
MECHATROLINK
Internal Synchro-
nization Error 1
A.E40:
MECHATROLINK
Transmission
Cycle Setting
Error
A.E41:
MECHATROLINK
Communications
Data Size Setting
Error
A.E42:
MECHATROLINK
Station Address
Setting Error
*5
A.E50
MECHATROLINK
Synchronization
Error
A.E51:
MECHATROLINK
Synchronization
Failed
9-34
Possible Cause
The MECHATROLINK
transmission cycle
fluctuated.
A failure occurred in
the SERVOPACK.
The setting of
MECHATROLINK
transmission cycle is
outside of the speci-
fied range.
The number of trans-
mission bytes set on
DIP switch S3 is not
correct.
The station address is
outside of the setting
range.
Two or more stations
on the communica-
tions network have
the same address.
The WDT data in the
host controller was
not updated normally.
:
A failure occurred in
the SERVOPACK.
The WDT data at the
host controller was
not updated correctly
at the start of syn-
chronous communi-
cations, so
synchronous commu-
nications could not be
started.
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.
Check the setting of the Set the MECHATROLINK
MECHATROLINK trans- transmission cycle to an
mission cycle. appropriate value.
Check the Reset DIP switch S3 to
MECHATROLINK com- change the number of
munications data size of transmission bytes to an
the host controller. appropriate value.
Check the setting of the
station address of the
Check rotary switches
host controller, and reset
S1 and S2 to see if the
rotary switches S1 and S2
station address is
to change the address to
between 03 and EF.
an appropriate value
between 03 and EF.
Check the setting of the
Check to see if two or station address of the
more stations on the host controller, and reset
communications net- rotary switches S1 and S2
work have the same to change the address to
address. an appropriate value
between 03 and EF.
Check to see if the WDT
Correctly update the WDT
data is being updated at
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.
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.
Continued from previous page.
Correction Reference
–
–
–
*1
*1
*1
–
–
–
–
Continued on next page.