Omron SMARTSTEP R7D-AP Series User Manual page 228

Troubleshooting
Symptom Probable cause
Servomotor is The ambient temperature
overheating. is too high.
Servomotor installation
area temperature is too
high.
Ventilation is obstructed. Check to see whether anything is
There is an overload.
The correspondence
between the Servo Driver
and the Servomotor is
incorrect.
There are The machinery is vibrat-
unusual noises. ing.
Pn100 (speed loop gain)
is insufficient.
Vibration is Inductive noise is occur-
occurring at the ring.
same frequency
as the applica-
ble power sup-
ply.
5-14
Items to check
Check to be sure that the ambient
temperature around the Servomo-
tor is no higher than 40 ° C.
Check to be sure that the Servo-
motor installation area tempera-
ture is no higher than 40 ° C.
blocking ventilation.
Check the torque command value
by means of monitor mode
(Un002).
Check the models.
Inspect the machinery to see
whether there are any foreign
objects in the movable parts, or
whether there is any damage,
deformation, or looseness.
---
Check to see whether the Servo
Driver control signal lines are too
long.
Check to see whether control sig-
nal lines and power supply lines
are too close to each other.
Chapter 5
Countermeasures
Lower the ambient temper-
ature to 40 ° C or less. (Use
a cooler or fan.)
Lower the Servomotor
installation area tempera-
ture.
Ensure adequate ventila-
tion.
Lighten the load.
Change to a larger capacity
Servomotor and Servo
Driver.
Combine models that corre-
spond correctly.
Fix any problems causing
vibration.
Use online autotuning.
Adjust the gain manually
(speed loop gain).
Shorten the control signal
lines.
Separate control signal
lines from power supply
lines.
Use a low-impedance
power supply for control
signals.