YASKAWA S-V Series User Manual page 200

9 Troubleshooting
Problem
Servomotor
Overheated
9-30
Probable Cause
Ambient operating temperature is
too high.
Linear servomotor surface is dirty.
Linear servomotor overloaded
Polarity detection is not performed
correctly.
Investigative Actions
Measure the linear servomotor
ambient operating temperature.
Check visually.
Check the load status with monitor.
Check if the value of Un004 (Elec-
tric Angle 2) at an arbitrary position
is between ±10 degrees.
(cont'd)
Corrective Actions
Reduce the ambient operating tem-
perature to 40°C max.
Clean dust and oil from linear ser-
vomotor surface.
If overloaded, reduce load or
replace with larger capacity SER-
VOPACK and linear servomotor.
Correct the settings for the polarity
detection related parameter.