8.Maintenance
Trouble shooting when alarm activated
8-21
■
Alarm Code C3 (Velocity Feedback Error)
Status at the time of alarm
Cause
1
2
3
Issued when command is entered.
✔
✔
✔
Generated at the time of control input.
✔
◆
Corrective actions
Cause
Investigation and corrective actions
1
■
Motor is not rotating.
■
Confirm that the power line is properly
connected.
■
Replace the motor.
2
■
Defect in internal circuit of driver.
■
Replace the driver.
3
■
The motor is vibrating (oscillating).
■
Adjust the servo parameter so that motor
will not vibrate (oscillate).
■
Alarm Code C5 (Model Tracking Vibration Suppression, Control Error)
Status at the time of alarm
Cause
1
2
3
Issued after entering position command pulse.
✔
✔
✔
◆
Corrective actions
Cause
Investigation and corrective actions
1
■
Setup of model control gain is high.
■
Lower model control gain.
2
■
The acceleration-and-deceleration
time of a position command is short.
■
Simplify the acceleration and declaration
command pattern.
3
■
Torque limiting value is low.
■
Enlarge a torque limiting value or repeal
torque restrictions.
✔
Other alarms are generated, and this alarm may be generated if a servo brake performs alarm reset
during a slowdown.
Summary of Contents for M-EGA-15A2301
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