Soyer SRM EcoWeld BMK-20i, Operating Instructions Manual, Page: 73 / 80

Operating instructions BMK-20i | Heinz Soyer Bolzenschweißtechnik 73
12.4 Welding defects and their causes
The most common weld defects, their possible causes and how to troubleshoot them
are described in the following.
If a problem cannot be solved, please contact Heinz Soyer Bolzenschweißtechnik
GmbH.
Faults Possible cause and troubleshooting
Device cannot be
switched on.

Check the mains supply fuses.
Device does not
weld, there is no (or
very little) spark
formation. Device is not connected to the mains or not switched on.

Connect the device to the mains supply and switch it on. The LED
displays light up briefly when switching on.
Welding cable, control cable or gas hose are not correctly connected or
damaged.

Connect the cables or gas hose correctly or examine for damage,
replace if necessary.
Connection plugs or sockets of the device are damaged.

Have the plugs or sockets replaced by SOYER
®
customer service.
Both earth cables are not (or not correctly) connected, or earth clamps are
not fastened to the workpiece.

Connect the earth cable, fasten the earth clamps to the workpiece.
Weld points or earth connection points on the workpiece are not bare metal.

Prepare the workpiece or studs.
Lift height or immersion depth is not set correctly.

Set the lift height or the immersion depth correctly in accordance with
the operating manual for the stud welding gun.
Gas flow rate is set too high, i.e. greater than 12 l/min (the arc is blown
out).

Set the gas flow rate to a lower value.
Stud sits too loose in the stud chuck.

Press the stud chuck together or reclamp.
Defect on the controller or on the welding gun.

Contact SOYER
®
customer service.