E1 Series Servo Drive User Manual Troubleshooting And Maintenance
HIWIN MIKROSYSTEM CORP. 13-5
Alarm Name Alarm Contents
AL.860 Encoder data writing error Encoder parameter writing error Gr.A No
AL.861 Motor overheating Motor overheating Gr.A Yes
AL.870 Encoder overheating
The encoder overheats because the motor
overheats.
Gr.A No
AL.880 Incremental encoder signal error Incremental encoder signal error Gr.A No
AL.890
(ESC)-incremental encoder
The incremental encoder signal is not received. Gr.A No
AL.8A0
First set of encoder - Excellent Smart
Cube (ESC) signal error
Excellent Smart Cube (ESC) does not receive
signal from the first set of encoder.
Gr.A No
AL.8b0
First set of encoder - encoder signal
error
First set of encoder malfunctions. Gr.A No
AL.8C0
Second set of encoder - Excellent
Smart Cube (ESC) signal error
Excellent Smart Cube (ESC) does not receive
signal from the second set of encoder.
Gr.A No
AL.8d0
Second set of encoder - encoder
signal error
Second set of encoder malfunctions. Gr.A No
AL.8E0 Digital encoder disconnection Digital encoder signal is not received. Gr.A No
AL.8F0
Excellent Smart Cube (ESC) internal
An error occurs in the internal program of
Excellent Smart Cube (ESC).
Gr.A No
AL.b10 Velocity command A/D converter error
The A/D converter for velocity command input
Gr.A Yes
AL.b20 Torque command A/D converter error
The A/D converter for torque command input
malfunctions.
Gr.A Yes
AL.b33 Current detection malfunction Current sensor malfunction Gr.A Yes
AL.C10 Motor out of control
Due to electrical angle detection error, motion
control cannot be performed with the linear
motor.
Gr.A Yes
AL.C20 Phase detection error Electrical angle detection error Gr.A Yes
AL.C21 Hall sensor error The Hall sensor has no function. Gr.A Yes
AL.C50 Electrical angle detection failure The electrical angle cannot be detected. Gr.A Yes
AL.C51
Overtravel detected during electrical
angle detection
Overtravel (OT) occurs during electrical angle
detection.
Gr.A Yes
AL.C52 Electrical angle detection incomplete
Phase initialization has not been performed
yet.
Gr.A No
AL.d00 Position deviation overflow
The position deviation exceeds the allowable
range.
Gr.A Yes
AL.d10 Motor-load position deviation overflow
In full-closed loop
control, the position
deviation between the motor position and the
load position is too large.
Gr.A Yes
AL.Eb1
Safety function signal input timing
error
The input timing of safety function signal is
abnormal.
Gr.A Yes
AL.F10 Power cable open phase
The voltage of R, S or T phase (L1, L2 or L3)
has been low for as least one second after the
Gr.A Yes
AL.F50 Motor main circuit cable disconnection
The motor power cable and the servo drive are
disconnected.
Gr.A Yes
AL.FA0 Encoder power error
The DC 5 V power supplied to the encoder is
abnormal.
Gr.A Yes
AL.FB0
Fieldbus communication hardware
malfunction
The Fieldbus communication board is not
connected with the servo drive or is broken.
Gr.A Yes
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