Chapter 4 LED Alarm Indicators and Dial
4.1 LED Indicator Light
4.1.1 Red LED
Red indicator light is alarm indicator light. It is out in normal system. Its
flicker frequency is the code delegating the following status:
No.
Flicker frequency
1
2
3
4
5
6
7
8
9
10
Constantly on
11
Constantly out
12
Note: Alarm code is readable from the upper computer's interface
4.1.2 Green LED
The green indicator indicates the servo enable signal and its indicator contents
are as follows:
No.
1
Constantly on
2
Constantly out
3
Alarm code
1
2
3
4
5
6
7
8
8
8
Current status
Flicker
QS2 Series Low Voltage Servo Drive
Switch
Description of fault
1
2
Single phase over current
3
Overload alarm
4
Overvoltage of hardware
5
Over current of hardware
6
Overvoltage of software
7
8
9
16
--
--
Drive power supply is in normal condition
Motor servo enable
Power supply fault
26
Encoder alarm
Limit alarm
Reserved by manufacturer
Position deviation alarm
Reserved by manufacturer
System fault
Normal
Description
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