Functional characteristics
MMA welding
Item No.: 099-004877-EWM01
57
5.4
MMA welding
Once the MMA welding process is selected, there is open circuit voltage present on the welding
current sockets and on the G1/4” shielding gas connection on the front of the machine.
Attach the yellow protective cap onto the G1/4” shielding gas connection on the front of the
machine.
5.4.1
Selection and adjustment
Operating
element
Action Result
Displays
Select MMA welding process
The
signal light lights up in green
Display shows the
last current value
used for welding.
Set welding current
Welding current is
displayed.
5.4.2
Hotstart
The hotstart device improves the ignition of the stick electrodes using an increased ignition current.
a) = Hotstart time
b) = Hotstart current
I =
Welding current
t =
Time
5.4.2.1
Hotstart current
Operating
element
Action Result
Displays
x x
Select hotstart current welding parameter
Press until hotstart current signal light
AMP%
comes on
Set hotstart current
The factory setting is a value as a percentage of the
selected main current. To set an absolute value for the
hotstart current, see chapter "Advanced settings".