Welding operation
Operating Instructions Soyer Bolzenschweißtechnik 79
The stud is not
welded to the whole
flange surface, the
strength of the weld-
ing is insufficient.
The main current duration is set too short.
• Readjust the time for the main current duration according to the table.
The earth connection is poor.
• Check that the earth cables and earth clamps are mechanically secured.
Tighten them if necessary.
The contamination on the surface of the workpiece is too heavy.
• Clean the workpiece surface.
The end face of the welding stud is deformed.
• Use new welding studs.
The stud protrusion to the stud chuck is set incorrectly.
• Adjust the stud protrusion to 3 - 5 mm (distance between stud chuck and
stud end face).
The welding gun is placed in a tilted position.
• Press the gun onto the workpiece at an angle of 90 degrees.
The lift is set incorrectly.
• Adjust the lift.
The device switches
itself off.
The stud lift is set incorrectly
• Adjust the stud lift according to the operating instructions of the welding
gun and switch on the device.
You have removed the welding gun from the workpiece while the main
current was flowing.
• Switch on the device again.
The arc breaks, as the gas pressure is too high.
• Set the gas pressure to the specified value.
The workpiece surface has poor electrical conductance – the arc breaks.
• Grind the surface.
The battery charging status is too low.
• Check the battery charging status.
Fuse in the device defective.
• Contact the customer service.
Stud thread scorched. Stud chuck worn.
• Exchange stud chuck.
Error Possible cause and troubleshooting
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