Omron OMNUC G5 R88M-K series User Manual page 410

11-4 Troubleshooting
Alarm
Error conditions
number
15 Servo Drive overheat
16 Overload
18 Regeneration overload Occurs when the motor is
11
11-17
Status when error
occurs
Occurs during operation.
Occurs when the servo is
turned ON.
Occurs during operation.
decelerating.
Occurs during descent
(vertical axis).
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
Cause
• The ambient • Lower the ambient
temperature is too
high. • Increase the capacity
• The load is too large.
• Reduce the load.
• Extend the acceleration/
• There is an error in the • Wire the motor power
motor wiring (the wiring or
the connections are faulty).
• The electromagnetic • Turn OFF the brake.
brake is ON.
• The Servo Drive is faulty. • Replace the Servo Drive.
• The effective torque • Review the load conditions
exceeds the rated torque.
• The initial torque exceeds • Review the motor
the maximum torque.
• Unusual noise or • Adjust the gain
vibration is caused by
faulty gain adjustment.
• The Servo Drive is faulty. • Replace the Servo Drive.
• Load inertia is too • Calculate the regenerative
large.
• Extend the deceleration time.
• The deceleration time • Reduce the motor
is too short.
• The motor rotation • Extend the deceleration time.
speed is too high. • Calculate the regenerative
• The operating limit of • Set the Regeneration Resistor
the External
Regeneration Resistor
is limited to 10% duty.
• Gravitational torque is • Add a counterbalance
too large.
• Reduce the descent speed.
• Calculate the regenerative
• The operating limit of • Set the Regeneration
the External
Regeneration Resistor
is limited to 10% duty.
Measures
temperature.
of the driver and motor.
deceleration times.
cable correctly.
and operating conditions.
capacity.
correctly.
energy and connect an
External Regeneration Resistor
with the required regeneration
absorption capacity.
rotation speed.
energy and connect an
External Regeneration Resistor
with the required regeneration
absorption capacity.
Selection (Pn016) to 2.
Refer to "Basic
Parameters" (P.8-1)
to the machine to lower
gravitational torque.
energy and connect an
External Regeneration Resistor
with the required regeneration
absorption capacity.
Resistor Selection
(Pn016) to 2.
Refer to "Basic
Parameters" (P.8-1)