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applicable to the Zapp Plus, so ignore the labels and focus on the row labeled “None”. Create lower-powered
practice welds on the left and higher powered welds as you move right (maximizing at 30J).
Tip: When the electrode touches the workpiece, don’t back away from the electrode until after the weld is
completed. The Zapp Plus will automatically retract the electrode away from the workpiece by a few millimeters
when the weld occurs. This retraction assists in forming a more desirable weld spot. If you move the workpiece
away from the electrode just before or during the weld, the weld will not occur.
• Adjust the Weld Energy Level from 1 to 2J using the dial. Then touch the electrode to the second
minimum column.
• Next, adjust the Weld Energy Level from 3 to 4J using the knob. Then touch the electrode to the second
larger and the weld will be deeper.
• Repeat the process of increasing the energy level and then touching the plate in the next box. And then
repeat again until you’ve placed a weld in every box. Eventually, you should reach the maximum amount
of power (30J).
Spin the potentiometer as far as it can counterclockwise. Push the knob onto the potentiometer with the mark-
ing indicator pointing at the left marking on the sticker.