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5.6 Troubleshooting Warnings
Warning Number:
Warning Name
A.95F:
Command Warning
6 (Undefined Com-
mand)
A.960:
MECHATROLINK
Communications
Warning
A.971:
Undervoltage
A.97A:
Command Warning
7 (Phase Error)
A.97b:
Data Clamp Out of
Range
5-46
Possible Cause
Confirmation
An undefined
Check the command
command was
that caused the warning.
sent.
The MECHA-
TROLINK Com-
Check the wiring condi-
munications Cable
tions.
is not wired cor-
rectly.
A MECHA-
TROLINK data
Confirm the installation
reception error
conditions.
occurred due to
noise.
A failure occurred
in the SERVO-
–
PACK.
For a 200-V SER-
VOPACK, the AC
Measure the power sup-
power supply volt-
ply voltage.
age dropped
below 140 V.
For a 100-V SER-
VOPACK, the AC
Measure the power sup-
power supply volt-
ply voltage.
age dropped
below 60 V.
The power supply
Measure the power sup-
voltage dropped
ply voltage.
during operation.
A momentary
Measure the power sup-
power interrup-
ply voltage.
tion occurred.
The SERVOPACK
–
fuse is blown out.
A failure occurred
in the SERVO-
–
PACK.
A command that
cannot be exe-
cuted in the cur-
–
rent phase was
sent.
The set com-
mand data was
clamped to the
–
minimum or maxi-
mum value of the
setting range.
Continued from previous page.
Correction
Do not send undefined
commands.
Correct the MECHA-
TROLINK communications
cable wiring.
Implement the following
countermeasures against
noise.
• Check the MECHA-
TROLINK Communica-
tions Cable and FG wiring
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-
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.
Send the command after
the command conditions
are satisfied.
Set the command data
within the setting ranges.
Continued on next page.
Refer-
ence
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Table of Contents
Troubleshooting
