LOKERMANN GRAND ARC 400 CEL, Руководство пользователя, Страница: 8 / 24

3 Installation & Operation
3.1 Layout for the front and rear panel
（
1
）
Negative (-) welding power output connection socket.
（
2
）
Positive (+)
（
3
）
Input power cable.
（
4
）
Power switch: control the power Supply on and off.
（
5
）
Welding current control knob.
（
6
）
Digital current display meter.
（
7
）
Power indicator: Lights when input power connected and machine switched on.
（
8
）
Alarm indicator.
*
（
9
）
Welding output mode button: Sets power source in MMA, MMA VRD* or
Lift TIG* mode.
（
10
）
MMA mode indicator.
（
11
）
MMA VRD mode indicator.
（
12
）
Lift TIG mode indicator.
（
13
）
Arc Force control knob.
*
（
14
）
Hot Start control knob. *
*
Denotes more detailed explanation of function to follow.
Further Controls Explained
Alarm indicator
Lights when over voltage, over current, input phase loss or electrical overheating (due to
exceeding duty cycle) is detected and protection is activated.
When protection is activated, welding output will be disabled until the safety system senses
the overload has reduced sufficiently and indicator lamp goes out. May also trigger if machine
experiences an internal power circuit failure.
welding power output connection socket.