E1 Series Servo Drive User Manual Troubleshooting And Maintenance
13-10 HIWIN MIKROSYSTEM CORP.
Alarm Number And
Alarm Name
Cause Confirmation Method Corrective Action
AL.510
Overspeed
phases in the motor wiring
Check the wiring of the
servo motor.
Check if the wiring is correct.
exceeds the maximum
Check the command value.
Decrease the command value
or adjust the gain.
The motor velocity exceeds
the maximum velocity.
Monitor and check the
waveform of motor velocity.
command input gain and
adjust the servo gain or
Servo drive malfunction N/A
malfunction, please replace
AL.511
Encoder pulse output
overspeed
frequency is too large and
exceeds the output
bandwidth of the servo
Check the output setting of
encoder pulse.
Decrease the setting of
encoder output resolution
(Pt281) or number of encoder
output pulses (Pt212).
frequency exceeds the
output bandwidth of the
servo drive, since the motor
Check the output setting of
encoder pulse and motor
velocity.
Decrease the motor velocity.
AL.710
Overload
(instantaneous
maximum load)
AL.720
Overload
(continuous
maximum load)
The wiring of the motor is
poor or the signal of the
Check the wiring.
Check if the wirings of the
motor and linear encoder are
the overload detection
detection value and motion
Re-calculate and adjust the
load and operating condition.
Overload occurs since the
motor cannot be operated
due to mechanical factor
(such as mechanical
and motor velocity. Check if
the friction of the
mechanism is too large or
Improve the mechanism.
Decrease the load and adjust
the operating condition.
The resolution setting of the
encoder is incorrect.
Check the setting value of
encoder resolution.
Set the encoder resolution to a
proper value.
The phase sequence of the
motor is incorrect.
of motor and the installation
Adjust the setting value of
Pt000 = t.X.
Servo drive malfunction N/A
malfunction, please replace
Power board
The power board
overheats.
N/A
malfunction, please replace
AL.800
Encoder data backup
error
An error occurs in the
encoder backup data.
N/A Initialize the absolute encoder.
Encoder malfunction N/A
Power on again. If the alarm
occurs again, it could be motor
malfunction, please replace
AL.810
Encoder battery
undervoltage
The usage of encoder is not
correctly set.
Check if the encoder you
use is absolute type.
set according to the encoder in
The battery of the absolute
encoder is abnormal.
Check if the battery voltage
is 5 V.
Replace the battery or encoder
cable.
Encoder malfunction N/A
Power on again. If the alarm
occurs again, it could be motor