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8 Components of the Stud Welding Unit
8.3 LED Display
Green The stud welding unit is ready for welding
Red The capacitor battery is charged.
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. After a short cooling
period, the work can be continued.
– if thyristor is defective
– in the case of a charging malfunction (exceeding the char-
ging period)
– if arrow keys jam
– when appealing the library mode (stud diameter)
Yellow if there is electrical contact between welding element and
workpiece
Yellow if the welding gun button is triggered
Yellow if a welding gun with solenoid is connected
If one of the parameters referred to under point 8.2 “ Keyboard and Display” devi-
ates from the standard value an error message will be shown on the display.
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