Operation Manual
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A7 MIG Welder© Kemppi Oy 2018 1824
OPERATING MANUAL
4. USING THE WELDER
4.1 Basic controls
Main switch
When you turn the on/o switch into position 1, the main
power indicator is illuminated and the welder system
starts a power-up sequence. The system is ready for use
when the setup panel is ready. Always turn the machine
on and o with the power source mains switch. Never use
the mains plug as a switch.
Indicator lights
The indicator lights of the machine report its operational
state: When the green main power indicator is on, it indi-
cates that the machine is switched on. When the orange
warning indicator light is on, the machine is overheated.
This is due to a higher than regular working load exceed-
ing the rated duty cycle. The cooling fan continues to cool
the machine down. When the light goes o the machine
is ready to weld again.
Cooling fans
The A7 MIG Power Source incorporates two simultaneous-
ly operating cooling fans. The fans will start during weld-
ing as the machine reaches operational temperature, and
they will run for 1 to 10 minutes after welding, depending
on the heat eect of the completed cycle.
4.2 Setup panel
1
2
4
5
7
8 83
6 66
Figure 4.1 Setup panel layout
1. Power button
2. Memory channel selector (-/+)
3. MENU entry button
4. Up / down arrows
5. Control knob
6. Menu shortcut keys
7. LCD display
8. Soft key buttons