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8 Components of the Stud Welding Unit
8.3 LED Display
There is a luminous indication (LED) to the left of the display:
Green The stud welding unit is ready for welding.
Red The stud welding unit is locked
– after welding, until there is electrical contact with the work-
piece
– if the stud welding unit is overheated (the display shows
8 .. 2). After a short cooling period, the work can continue.
Green lights if the solenoid of the welding gun is controlled
Green lights if the welding gun button is triggered
Yellow lights if there is electrical contact between welding element
and workpiece
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