YASKAWA SGD7S Product Manual page 461

Warning Number:
Possible Cause
Warning Name
A.95F:
An undefined
Command Warning
command was
6 (Undefined Com-
sent.
mand)
The MECHA-
TROLINK Com-
munications Cable
is not wired cor-
rectly.
A.960:
A MECHA-
MECHATROLINK
TROLINK data
Communications
reception error
Warning
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.
A command that
A.97A:
cannot be exe-
cuted in the cur-
Command Warning
rent phase was
7 (Phase Error)
sent.
The set com-
mand data was
A.97b:
clamped to the
Data Clamp Out of
minimum or maxi-
Range
mum value of the
setting range.
Confirmation
Check the command
Do not send undefined
that caused the warn-
commands.
ing.
Correct the MECHA-
Check the wiring condi-
TROLINK communications
tions.
cable wiring.
Implement the following
countermeasures against
noise.
• Check the MECHA-
TROLINK Communica-
Confirm the installation tions Cable and FG wiring
conditions. and implement counter-
measures to prevent 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-
Measure the power
age within the specified
supply voltage.
range.
Set the power supply volt-
Measure the power
age within the specified
supply voltage.
range.
Measure the power Increase the power supply
supply voltage. capacity.
If you have changed the
Measure the power setting of Pn509 (Momen-
supply voltage. tary Power Interruption Hold
Time), decrease the setting.
Replace the SERVOPACK
–
and connect a reactor.
The SERVOPACK may be
– faulty. Replace the SERVO-
PACK.
Send the command after
– the command conditions
are satisfied.
Set the command data
–
within the setting ranges.
12.3 Warning Displays
12.3.2 Troubleshooting Warnings
Continued from previous page.
Correction Reference
page 12-
57
page 4-43
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page 6-15
page 4-25
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