YASKAWA SGD7S-R70A20A023F40B Product Manual page 135

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 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.
Confirmation
Check the command Send the command after
that caused the warn- the command conditions
ing. are satisfied.
Check the command
Send the command after
that caused the warn-
the conditions are satisfied.
ing.
Check the command
Do not send undefined
that caused the warn-
commands.
ing.
Correct the MECHA-
Check the wiring con-
TROLINK communications
ditions.
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.
5.1 FT40 Specification
5.1.6 Troubleshooting Warnings
Continued from previous page.
Correction Reference
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