Operators Manual
8
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WIN564B
(WHEN ENABLED)
Fig 2
Weldarc 140i Controls
2
1 VRD Safe Mode Indicator
This light is on when the voltage across the
output terminals is reduced to a safe level.
2 Power On Indicator
3 Over Temperature Indicator
This light is on if any internal thermal
protection devices have operated or the
supply voltage is too high or too low.
4 Weld Mode Selection Switch
Use this switch to select between modes.
There are two weld modes available:
4.1
TIG Welding (GTAW): Lift arc start, using
TIG welding torch with separate gas supply.
4.2
Stick Electrode Welding (MMAW).
This mode is used for all MMAW stick
electrode process.
5 Weld Current Control
This control sets the output current level of
the power source within the available range.
Rotate the knob clockwise to increase the
output current.
6 Power On/Off Switch
In the OFF position, this switch isolates the
power source from the mains power supply.
The switch is located on the rear panel.
5 Controls
4.1
6
Power Switch
Located on the rear panel
1
3
4
5
4.2
