— 11-5 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
11.2. Troubleshooting
11.2.2. Motor Trouble
Figure 11-4: The Motor vibrates or goes out of control.
YES
NO
YES
NO
YES
NO
(Refer to “Appendix 2: How to Check Motor Condition.”)
Check wiring of the Motor and resolver.
End.
Motor does not run stably.
Motor vibrates or goes out of control.
Decrease VG value.
Make sure the combination of Motor and
Driver Unit is proper.
Motor installed properly?
Load connected securely?
(No backlash allowed.)
Install properly.
Servo parameters already
adjusted?
(Refer to “5.4. Setting Filters (Tuning Level 2).”
(Refer to “5. Tuning and Trial Running.”)
Adjust parameters.
Filter used?
Motor runs stably.
Contact NSK representative in your area.