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7. Welding function operation
Warning! Before turning on the power supply make sure that the electrode
holder or welding torch is connected to the output, do not touch the
workpiece and earth clamp. Otherwise, an unexpected arc may be started
when the power is turned on in the case of MMA by default. This can cause
damage to the workpiece and to personnel.
Warning! Be sure to wear appropriate protective equipment during welding
operation. Arcs, spatter, smoke, and high temperatures produced in the
welding process may cause injury to personnel.
Warning! After the power supply is turned off, the output voltage of the welder
may continue for a period and then drop slowly. Please do not touch the
conductive part of the output before the panel is extinguished.
7.1. MMA operation
7.1.1 Turn on the power switch
Figure 7-1 Power switch position
The power switch is located at the rear panel of the machine; set it in the "ON" position; then
the panel indicator will light up, the fan will start to rotate, and the welder will start to work
normally.
Note! Some models have the function of smart fan. When the power supply is turned
on for a period of time without welding, the fan will automatically stop running. It will
run automatically when it is welded.
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