Arc Ignition; Hf Ignition - EWM T 4.02 - AC/DC Comfort 2.0 Operating Instructions Manual

Selection
4.1.4

Arc ignition

To change the ignition type, use parameter
Expert menu > see 4.1.11 chapter.
4.1.4.1

HF ignition

The arc is started without contact from high-voltage ignition pulses.
a) Position the welding torch in welding position over the workpiece (distance between the electrode tip
and workpiece should be approx. 2-3mm).
b) Press the torch trigger (high voltage ignition pulses ignite the arc).
c) Ignition current flows, and the welding process is continued depending on the operating mode
selected.
End the welding process: Release or press the torch trigger depending on the operating mode
selected.
099-00T402-EW501
24.04.2018
Functional characteristics
Figure 4-7
to switch between HF start (
Figure 4-8
TIG welding
<
) and lift arc ( ) in the
19