
11 Inspection, Maintenance, and Troubleshooting
11.3.2 Troubleshooting of Warnings
11-40
A.980:
Motor
Overheated
The ambient tempera-
ture around the motor is
high.
Check the ambient temperature
around the motor.
Make sure the ambient temperature
around the motor does not increase.
Acceleration and decel-
eration were repeated
frequently.
−
Make the acceleration/deceleration of
the motor smoother, or change the
operation pattern.
A.9A0:
Overtravel
(Overtravel status
is detected.)
When the servomotor
power is ON, over-
travel status is detected.
Check the status of the overtravel sig-
nals using the host controller.
Refer to
11.5 Troubleshooting Mal-
function Based on Operation and
Conditions of the Motor
. Even if over-
travel signals were not shown,
momentary overtravel may have been
detected. Do the following.
• Do not specify movements that
would cause overtravel from the
host controller.
• Check the wiring of the overtravel
signals.
• Take countermeasures for noise.
(cont’d)
Warning
Number:
Warning Name
(Warning
Description)
Cause
Investigative Actions
Corrective Actions