Omron OMNUC G5 R88M-K series User Manual page 427

Symptom
The position is
misaligned. (Position
misalignment occurs
without an alarm being
output.)
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
Probable cause
There is an error in the
coupling of the mechanical
system and the Servomotor.
The gain is wrong.
The load inertia is too large.
11-4 Troubleshooting
Items to check
Check whether the coupling of
the mechanical system and
the Servomotor is misaligned.

• Check the load inertia.
• Check the motor rotation
speed.
• The dynamic brake
resistance is disconnected.
Measures
Correct the coupling
between the mechanical
system and the
Servomotor.
Check if the manual
tuning can make a proper
adjustment.
• Review the load inertia.
• Replace the motor and
drive with proper ones.
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