Mma Welding; Preparatory Work; Softstart / Hotstart Function - Fronius ActiveCharger 1000 Operating Instructions Manual

MMA welding

Preparatory work

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Risk of injury and damage from electric shock.
As soon as the power source is switched on, the electrode in the electrode holder is live.
Make sure the electrode does not touch any persons or electrically conductive or earthed
parts (e.g. the housing, etc.).
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MMA welding
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SoftStart / Hot- This function is used to set the starting current.
Start function
Setting range: 0 - 200%
Operating principle:
At the start of the welding process, the welding current is reduced (SoftStart) or increased
(HotStart) for 0.5 seconds, depending on the setting.
The change is shown as a percentage from the set welding current.
The duration of the starting current can be changed in the Setup menu using the Hti pa-
rameter, see
Setting the starting current:
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Press the On/Off button for at least two seconds to turn off the power source
the indicators go out
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Plug the grounding cable into the (+) or (-) current socket depending on which type of
electrode is to be used and turn it clockwise to latch it in place
Use the other end of the grounding cable to establish a connection to the workpiece
Plug the electrode holder into the (+) or (-) current socket depending on which type of
electrode is to be used and turn it clockwise to latch it in place
Insert the rod electrode into the electrode holder
CAUTION!
Press the On/Off button for at least two seconds to turn on the power source
- the welding current indicator lights up
- the display shows the specified welding current
Use the welding process button to select one of the following processes:
MMA welding - the MMA welding indicator lights up after selection
MMA welding with Cel electrode - the MMA welding with Cel electrode
indicator lights up after selection
Press the setting value button until
the welding current indicator lights up
Select the amperage using the adjusting dial
Power source is ready for welding
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Parameters for MMA welding
Press the setting value button until
the SoftStart / HotStart indicator lights up
on page 44.
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