YASKAWA SGM7D-30F Product Manual page 156

Warning Number:
Possible Cause
Warning Name
The command
A.95d: sending condi-
tions for latch-
Command Warning
related com-
4 (Command Inter-
mands was not
ference)
satisfied.
The command
A.95E:
sending condi-
Command Warning
tions for subcom-
5 (Subcommand
mands was not
Not Possible)
satisfied.
A.95F:
An undefined
Command Warning
command was
6 (Undefined Com-
sent.
mand)
The
MECHATROLINK
Communications
Cable is not wired
correctly.
A.960:
A
MECHATROLINK
MECHATROLINK
Communications
data reception
Warning
error occurred
due to noise.
A failure occurred
in the SERVO-
PACK.
For a 200-V SER-
VOPACK, the AC
power supply volt-
age dropped
below 140 V.
For a 100-V SER-
VOPACK, the AC
power supply volt-
age dropped
below 60 V.
The power supply
A.971:
voltage dropped
Undervoltage
during operation.
A momentary
power interrup-
tion occurred.
The SERVOPACK
fuse is blown out.
A failure occurred
in the SERVO-
PACK.
3.2 FT82 SERVOPACK with MECHATROLINK-II Communications References
Confirmation
Check the command
that caused the warn-
ing.
Check the command
that caused the warn-
ing.
Check the command
that caused the warn-
ing.
Check the wiring condi-
tions.
Confirm the installation
conditions.
–
Measure the power
supply voltage.
Measure the power
supply voltage.
Measure the power
supply voltage.
Measure the power
supply voltage.
–
–
3.2.6 Troubleshooting Warnings
Continued from previous page.
Correction
Send the command after
the command conditions
are satisfied.
Send the command after
the conditions are satisfied.
Do not send undefined
commands.
Correct the
MECHATROLINK communi-
cations cable wiring. Or,
connect a terminator to the
final station.
Implement the following
countermeasures against
noise.
• Check the
MECHATROLINK Com-
munications Cable and
FG wiring and implement
countermeasures to pre-
vent noise from entering.
• Attach a ferrite core to the
MECHATROLINK Com-
munications Cable.
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
Set the power supply volt-
age within the specified
range.
Set the power supply volt-
age within the specified
range.
Increase the power supply
capacity.
If you have changed the
setting of Pn509 (Momen-
tary Power Interruption Hold
Time), decrease the setting.
Replace the SERVOPACK
and connect a reactor.
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
Continued on next page.
Reference
*
*
*
*
–
–
–
–
–
*
*
–
3
3-87