Revision December, 2014 10-1
Chapter 10 Troubleshooting
10.1 Alarm of Servo Drive
Display Alarm Name
Alarm Description
Corresponding
DO
Servo
Status
AL001
Overcurrent
The current of the main circuit is
1.5 times more than the
instantaneous current of the
motor.
ALM
Servo
Off
AL002
Overvoltage
The voltage of the main circuit is
higher than the standard voltage.
ALM
Servo
Off
AL003
Undervoltage
The voltage of the main circuit is
lower than the standard voltage.
WARN
Servo
Off
AL004
Motor Combination
Error
The drive corresponds to the
wrong motor.
ALM
Servo
Off
AL005
Regeneration Error
Regeneration control is in error.
ALM
Servo
Off
AL006
Overload
The motor and the drive is
overload.
ALM
Servo
Off
AL007
Overspeed
The control speed of the motor
exceeds the normal speed.
ALM
Servo
Off
AL008
bnormal Pulse
Command
The input frequency of the pulse
command is over the allowable
value of the hardware interface.
ALM
Servo
Off
AL009
Excessive Deviation
of Position
Command
The deviation of position
command exceeds the allowable
setting value.
ALM
Servo
Off
AL011
Encoder Error
The encoder produces abnormal
pulse.
ALM
Servo
Off
AL012
Adjustment Error
When executing electrical
adjustment, the adjusted value
exceeds the allowable value.
ALM
Servo
Off
AL013
Emergency Stop
Press the emergency stop button.
WARN
Servo
Off
AL014
Reverse Limit Error
Activate the reverse limit switch.
WARN
Servo
On
AL015
Forward Limit Error
Activate the forward limit switch.
WARN
Servo
On
AL016
IGBT Overheat
The temperature of IGBT is over
high
ALM
Servo
Off