E1 Series Servo Drive User Manual Troubleshooting And Maintenance
13-16 HIWIN MIKROSYSTEM CORP.
13.2.3 Alarm reset
After alarm output (ALM) signal is output, reset the servo drive by the method provided below when the
root cause is cleared. Alarm related to encoder may not be reset by alarm reset input (ALM-RST) signal.
In this case, please turn off the control power to reset.
Reset by alarm reset input (ALM-RST) signal
Table13.2.3.1
Type Signal Hardware Pin Status Description
Input ALM-RST User-defined Edge-triggered Reset alarm.
13.3 Warning
13.3.1 Warning list
Table13.3.1.1 Warning list
Warning Number Warning Name Warning Contents
AL.900 Position deviation overflow
The position deviation exceeds the value of (
Pt520 x
Pt51E)/100 or the value of (Pt521 x Pt51E)/100.
AL.910 Overload
This warning appears before overload alarm (AL.710 or
AL.720). If the operation continues, an alarm could occur.
AL.923 Internal fan stop The internal fan of the servo drive stops operating.
AL.930 Encoder battery malfunction The battery of absolute encoder is abnormal.
AL.943
Fieldbus synchronous cycle
time warning
The synchronous cycle time of Fieldbus communication is
unstable.
AL.944 System warning An error occurs in the internal program of the servo drive.
AL.945 Torque limit warning Torque command exceeds the torque limit value.
AL.946
Encoder communication
warning
Encoder communication is abnormal.
AL.971 Undervoltage
This warning appears before undervoltage alarm (AL.410).
If the operation continues, an alarm could occur.
AL.9A0
servo ON (P-OT or N-OT
Overtravel is detected when servo on.
AL.9A1 P-OT signal is received. Overtravel is detected when servo off.
AL.9A2 N-OT signal is received. Overtravel is detected when servo off.
AL.9F0 Main circuit overvoltage The voltage of main circuit is too high.
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