3.1 FT82 SERVOPACKs with Analog Voltage/Pulse Train References
3.1.7 Troubleshooting Based on the Operation and Conditions of the Servomotor
3
Maintenance
3-49
*
Refer to the following manual for details.
Σ
-7-Series
Σ
-7S SERVOPACK with Analog Voltage/Pulse Train References Product Manual (Manual No.: SIEP
S800001 26)
Servomotor
Overheated
The surrounding air tempera-
ture is too high.
Measure the surrounding
air temperature around
the Servomotor.
Reduce the surround-
ing air temperature to
40
°
C or less.
–
The surface of the Servomo-
tor is dirty.
Visually check the surface
for dirt.
Clean dirt, dust, and oil
from the surface.
–
There is an overload on the
Servomotor.
Check the load status
with a monitor.
If the Servomotor is
overloaded, reduce the
load or replace the
Servo Drive with a
SERVOPACK and Ser-
vomotor with larger
capacities.
–
Polarity detection was not
performed correctly.
Check to see if electrical
angle 2 (electrical angle
from polarity origin) at any
position is between
±
10
°
.
Correct the settings for
the polarity detection-
related parameters.
–
Estimating
the moment
of inertia
failed.
The acceleration rate is low
and travel distance is short.
Check the Condition Set-
ting Dialog Box used to
perform moment of inertia
estimation.
Increase the accelera-
tion rate and travel dis-
tance.
–
Continued from previous page.
Problem
Possible Cause
Confirmation
Correction
Reference