Omron ACCURAX G5 User Manual page 499

Alarm
Error conditions
display
15 Driver overheat
16 Overload
18 Regeneration overload
Accurax G5 AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
Status when error
occurs
· The ambient
Occurs during operation.
· The load is too large.
· There is an error in the
Occurs when the servo is
turned ON. · The electromagnetic
· The Servo Drive is faulty.
· The effective torque
· The initial torque exceeds
Occurs during operation.
· Unusual noise or
· The Servo Drive is faulty.
· Load inertia is too
Occurs when the motor is
· The deceleration time
decelerating.
· The motor rotation
· The operating limit of the
· Gravitational torque is
Occurs during descent
(vertical axis).
· The operating limit of the
11-4 Troubleshooting
Cause
· Lower the ambient
temperature.
· Increase the capacity
temperature is too
of the driver and motor.
high.
· Reduce the load.
· Extend the acceleration/
deceleration times.
· Wire the motor power
motor wiring (the wiring or
cable correctly.
the connections are faulty).
· Turn OFF the brake.
brake is ON.
· Replace the driver.
· Review the load conditions
exceeds the rated torque. and operating conditions.
· Review the motor
the maximum torque. capacity.
· Adjust the gain
vibration is caused by
correctly.
faulty gain adjustment.
· Replace the driver.
· Calculate the regenerative
energy and connect an
External Regeneration Resistor
large. with the required regeneration
absorption capacity.
· Extend the deceleration time.
· Reduce the motor
rotation speed.
· Extend the deceleration time.
· Calculate the regenerative
is too short.
energy and connect an
External Regeneration
speed is too high.
Resistor with the required
regeneration absorption
capacity.
· Set Pn016 to 2.
External Regeneration For details, refer to
Resistor is limited to 10% duty. "Parameters Details".
· Add a counterbalance
to the machine to lower
gravitational torque.
· Reduce the descent speed.
· Calculate the regenerative
too large. energy and connect an
External Regeneration
Resistor with the required
regeneration absorption
capacity.
· Set Pn016 to 2.
External Regeneration For details, refer to
Resistor is limited to 10% duty. "Parameters Details".
Measures
11
11-13