— 11-9 —
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
11.2.3. Command Trouble
Figure 11-9: Pulse train input does not start the Motor.
NO
YES
NO
YES
NO
NO
YES
YES
Pulse train input does not run Motor.
Check combination of Motor and Driver
Unit for their matching.
Alarm occurs after the
power is turned on.
Refer to “10.2. Alarm List.”
Is Motor servo activated?
Refer to Figure 11-3: Motor trouble.”
Is EMST, OTP, or OTM
input ON?
Make EMST, OTP, or OTM input OFF.
Refer to “Appendix 2. How to Check Motor Condition.”
Contact NSK representative in your area.
Check wiring of the Motor and the
resolver.
Is the Mootr normal?
Replcae the Motor.
Check wiring of CN2 connector.
:
Check with I/O command.
Refer to “7.1.18.1. Monitoring
Input/Output Signals (B3 and 23 type
Driver Units)” or “7.1.18.2. Monitoring
Control Input/Output (B5 and 25 type
Driver Units).”
Caution
!
Caution
!