5.6 Troubleshooting Warnings
5-42
*
Refer to the following manual for details.
Σ
-7-Series
Σ
-7S SERVOPACK with MECHATROLINK-III Communications References Product Manual
(Manual No.: SIEP S800001 28)
Σ
-7-Series
Σ
-7S SERVOPACK with MECHATROLINK-III Communications References and RJ-45 Connectors
Product Manual (Manual No.: SIEP S800001 62)
A.971:
Undervoltage
For a 200-V SER-
VOPACK, the AC
power supply volt-
age dropped
below 140 V.
Measure the power
supply voltage.
Set the power supply volt-
age within the specified
range.
–
For a 100-V SER-
VOPACK, the AC
power supply volt-
age dropped
below 60 V.
Measure the power
supply voltage.
Set the power supply volt-
age within the specified
range.
–
The power supply
voltage dropped
during operation.
Measure the power
supply voltage.
Increase the power supply
capacity.
–
A momentary
power interrup-
tion occurred.
Measure the power
supply voltage.
If you have changed the
setting of Pn509 (Momen-
tary Power Interruption Hold
Time), decrease the setting.
*
The SERVOPACK
fuse is blown out.
–
Replace the SERVOPACK
and connect a reactor.
*
A failure occurred
in the SERVO-
PACK.
–
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
–
A.97A:
Command Warning
7 (Phase Error)
A command that
cannot be exe-
cuted in the cur-
rent phase was
sent.
–
Send the command after
the command conditions
are satisfied.
–
A.97b:
Data Clamp Out of
Range
The set com-
mand data was
clamped to the
minimum or maxi-
mum value of the
setting range.
–
Set the command data
within the setting ranges.
–
A.9A0:
Overtravel (Over-
travel status was
detected.)
Overtravel was
detected while the
servo was ON.
Check the status of the
overtravel signals on
the input signal moni-
tor.
Even if an overtravel signal
is not shown by the input
signal monitor, momentary
overtravel may have been
detected. Take the following
precautions.
•
Do not specify move-
ments that would cause
overtravel from the host
controller.
•
Check the wiring of the
overtravel signals.
•
Implement countermea-
sures against noise.
*
A.9b0:
Preventative Mainte-
nance Warning
One of the con-
sumable parts has
reached the end
of its service life.
–
Replace the part. Contact
your Yaskawa representa-
tive for replacement.
*
Continued from previous page.
Warning Number:
Warning Name
Possible Cause
Confirmation
Correction
Reference
