— 15-6 —
15.2.3. Command Trouble
1 Home Return command causes no motion
Figure 15-5 : Command trouble 1
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Refer to “Appendix 1 : How to Check Motor Condition.”
Is Motor normal?
Home Return command causes no motion.
Make sure the combination of Motor and
Driver Unit is proper.
Alarm is activated after the
power is turned on.
Refer to “14.2. Details of Alarm.”
Motor servo is active.
Refer to Figure 15-4: Motor trouble 2.
EMST, OTP or OTM
input is active.
Deactivate EMST, OTM or OTP input.
Home Return starts
with HOS input.
HOS input can be
switched ON from
OFF.
Can HS command
start Home Return?
HS command is set to the
program in a channel to start
Home Return.
Contact NSK representative in your area.
Replace Motor.
Check winding of Motor and Resolver.
Confirm if HS command is
programmed in the channel.
Inputs of channel
selection (PRG0 ~ PRG5 inputs)
and control (RUN input) are
properly executed.
Can HS command start
Home Return?
Check CN2 connector wiring.
Home Return starts
with HS command.
Home Return can
not be executed.
Verify IO state with IO command.
Refer to “9.1.10.2. Monitoring the I/O state.”
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