YASKAWA Sigma-7 Series Product Manual page 119

Alarm Number:
Possible Cause
Alarm Name
The MECHATROLINK
transmission cycle
fluctuated.
A.E02:
MECHATROLINK
Internal Synchro-
nization Error 1
A failure occurred in
the SERVOPACK.
A.E40:
The setting of
MECHATROLINK
MECHATROLINK
transmission cycle is
Transmission
outside of the speci-
Cycle Setting
fied range.
Error
A.E41:
The number of trans-
MECHATROLINK
mission bytes set on
Communications
DIP switch S3 is not
Data Size Setting
correct.
Error
The station address is
outside of the setting
range.
A.E42:
MECHATROLINK
Station Address
Setting Error
Two or more stations
on the communica-
tions network have
the same address.
The WDT data in the
host controller was
not updated normally.
*5
A.E50 :
MECHATROLINK
Synchronization
A failure occurred in
Error
the SERVOPACK.
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.
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 the 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 MECHA- Reset DIP switch S3 to
TROLINK communica- change the number of
tions data size of the transmission bytes to an
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
station address of the
Check to see if two or
host controller, and reset
more stations on the
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 the 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 the alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
6.1 Alarm Displays
6.1.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
–
–
*1
*1
–
–
–
–
Continued on next page.
6
6-31