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defined period of time. The functionality can be used, for example, when welding thick materials, where using extra
power (heat) at the start helps ensure the high quality of the weld.
When the 2T trigger logic is in use, Hot start lasts for the predefined period of time.
Figure: 2T Hot Start
1.
Trigger is pressed.
2.
Trigger is released.
When the 4T or WP Switch trigger logic is in use, the Hot start starts when the trigger is pressed, and lasts until the trig-
ger is released.
Figure: 4T/WP Switch Hot start
1.
Trigger is pressed.
2.
Trigger is released.
3.
Trigger is pressed.
4.
Trigger is released.
To adjust Hot start, with Control Pad, go to Settings > Start and stop logic > Hot start. When you select ON, the
options for adjusting Time and Level appear on the screen. The default setting for Hot start is OFF.
Crater fill
When welding with high power, a crater is usually formed at the end of the weld. The Crater fill function gradually
decreases the welding power/ wire feed speed at the end of the welding job so that the crater can be filled using a
lower power level.
When the 2T trigger logic is in use, releasing the trigger launches the Crater fill sequence.
Figure: 2T Crater fill
1.
Trigger is pressed.
2.
Trigger is released.
© Kemppi
102
X8 MIG Welder
Operating manual - EN
1902370 / 2324
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