Soyer SRM EcoWeld BMK-20i, Operating Instructions Manual, Page: 76 / 80

76 Operating instructions BMK-20i | Heinz Soyer Bolzenschweißtechnik
Faults Possible cause and troubleshooting
Stud is not welded to
the whole flange
surface, strength of
the welding 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 earth cable and earth clamps for tight fit, tighten if necessary.
The contamination on the surface of the workpiece is too great.

Clean the surface of the workpiece.
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).
The welding gun was placed in tilted position.

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.
The surface of the workpiece is electrically poorly conductive
– arc breaks
off.

Grind off the surface.
Faulty mains supply.

Check the mains supply fuses.
Fuse in the device is defective.

Contact customer service.
Scorched stud thread Stud chuck is worn out.

Replace the stud chuck.