Soyer BMK-10i, Operating Instructions Manual, Page: 72 / 74

72 Operating manual Soyer Bolzenschweißtechnik
Faults Possible cause and troubleshooting
Stud does not weld
with the entire flange
area, the strength of
the weld is
insufficient. Main current duration set too short.

Re-adjust the time for the main current duration according to the
table.
Earth connection is poor.

Check proper seating of the earth cable and earth clamps, tighten if
necessary.
Excessive soiling of the workpiece surface.

Clean the workpiece surface.
Front surface of the welding stud deformed.

Use a new welding stud.
Stud protrusion for the stud chuck not set correctly.

Set the stud protrusion to 3 - 5 mm (distance between the stud
chuck and the front surface of the stud).
Welding gun applied at a slant.

Press the gun onto the workpiece at an angle of 90°.
Lift not correctly set.

Adjust the lift.
The device switches
itself off. Stud lift not set correctly.

Set the stud lift in accordance with the operating manual for the
welding gun and switch on the device.
Welding gun has been pulled off the workpiece during the main current.

Switch the device on again.
Arc breaks off because the gas pressure is too high.

Set the gas pressure to the specified value.
Surface of the workpiece has poor electrical conductance
–arc breaks off.

Grind off the surface.
Faulty mains supply.

Check the mains supply fuses.
Fuse in the device is defective.

Contact customer service.
Welding stud thread
is scorched. Stud chuck is worn out.

Replace the stud chuck.