YASKAWA SGD7S series Product Manual page 168

4.2 SERVOPACKs with MECHATROLINK-III Communications References
4.2.6 Troubleshooting Warnings
Warning Number:
Warning Name
A.9A0:
Overtravel (Over-
travel status was
detected.)
A.9b0:
Preventative Mainte-
nance Warning
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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)
4-100
Possible Cause Confirmation
Check the status of the
Overtravel was
overtravel signals on
detected while the
the input signal moni-
servo was ON.
tor.
One of the con-
sumable parts has
–
reached the end
of its service life.
Continued from previous page.
Correction
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.
Replace the part. Contact
your Yaskawa representa-
tive for replacement.
Reference
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