acceleration/deceleration time.
●Mechanical inertia too great
★Reduce the mechanical inertia.
15
Encoder count In operation
● Encoder damaged
★Replace the encoder.
incorrect
●Encoder wiring incorrect
★Check the wiring and replace the
encoder.
● Encoder power supply unstable
★5V voltage should be stable.
●The number of encoder wires ★Adjust the number of wires
incorrect
corresponding to the parameter.
16
Motor thermal Power on
● Servo parameter incorrect
★ Restore the factory value.
overload
In operation
●Mechanical transmission not freely
★Add lubricant and reduce load.
●Overload time long
★Reduce load; start/stop are smooth.
17
Speed response In operation
● Long-time error too great
★Adjust parameter position
failure
feed-forward.
●Start/start time too short
★Adjust the acceleration/deceleration
time.
19
Hot reset
In operation
● Power supply unstable
★ Check power supply and wiring.
20
ROM alarm
In operation
● Parameter storage alarm
★Restore the parameter and replace
the servo.
23
Electric leakage In operation
failure
●Short circuit or motor leakage
★Check the wiring or replace the
motor.
29
Torque
In operation
● Set torque exceeded
★Check Parameters PA30 and PA31.
insufficient
● Check the model selection of the ★Readapt the motor again.
motor.
● Mechanical overload
★ Disconnect the load and try again.
30
Encoder Z-pulse In operation
●Z-pulse doesn’t exit.
★Replace the encoder.
loss
●Cable weld line incorrect
★Check the weld line.
●5V Voltage unstable
★Shorten the wire and reduce
attenuation.
●Poor shielding leads to interference. ★Well ground the shielding layer.
31
Encoder UVW In operation
●UVW pulse doesn’t exit.
★Replace the encoder.
signal incorrect
●Cable weld line incorrect
★Check the weld line.
●5V Voltage unstable
★Shorten the wire and reduce
attenuation.
●Poor shielding leads to interference. ★Well ground the shielding layer.
32
Encoder UVW In operation
●UVW pulse doesn’t exit.
★Replace the encoder.
signal angle
●Encoder model incorrect
★Check the encoder model.
misplacement
●Weld line misplacement
★Check the weld line.
●5V Voltage unstable
★Shorten the wire and reduce
attenuation.
●Poor shielding leads to interference. ★Well ground the shielding layer.
● Where the Alm red lamp is on and the Alarm ―Err--xx‖ in the digital tube flashes, the alarm is a driver alarm. Cut
off the power in time and find out the cause of the alarm.
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