Soyer BMK-12 W, Руководство по эксплуатации, Страница: 46 / 68

BMK-8 U / BMK-12 W
46
9.1 Malfunctions
Error Cause

Elimination
Main switch does not
remain in position "1".
One or several phases have failed.


Check mains supply fuses.
Fuse F2 is defective.

Replace defective fuse.
System is switched on, but
does not function.
Mains supply is defective.

Check mains supply fuses.
Fuse of stud welder is defective.

Replace defective fuse.
There is no arc even
though system is ready for
operation. Control of stud welder or welding gun is defective.

Call SOYER customer service.
Stud is too loose in stud holder.

Press stud holder together or tighten it.
System does not weld, no
or only poor sparking. System is not switched on or not connected to mains supply.

Connect system to mains supply and switch on. When working with
drawn arc and short-cycle drawn arc operation, the main switch must
remain in position "1". When switching the system on, the LEDs shortly
light up.
Operating mode is set to PRE, LIFT, GAS


Set operating mode to "OP".
Welding cable, control cable or gas hose are not connected properly or
are damaged.

Connect cables/hose properly or check for damage. Replace if
necessary.
Connecting plug or socket of stud welder is burnt down.

Have plug or socket replaced by SOYER customer service.
Both earth cables are not properly connected or not connected at all, or
earth clamps are not attached to the workpiece.

Connect earth cables; attach earth clamps to the workpiece.
Welding points and/or earth connection points at the workpiece are not
blank.

Prepare workpiece and studs accordingly.
Height of lift and/or depth of immersion are not adjusted correctly.

Refer to the operating instructions of the welding gun to set the height
of lift and depth of immersion correctly.
Gas flow rate is set too high, i.e. higher than 5 l/min (arc is
extinguished).

Set gas flow rate to the maximum value of 4-5 l/min.
Stud is tilted in ceramic ferrule and does not lift.

Ensure gun is vertically positioned on workpiece. Centre ceramic
ferrule and stud holder.
Stud thread scorched. Stud holder worn

Replace stud holder.
No shielding gas flow
during welding process.
Gas cylinder is not or not properly connected to the system and/or valve
or shut-off valve are not open.

Connect gas cylinder as per chapter 6.4.1 and/or open valve or shut-
off valve.
Time for gas flow duration is set to "0"

Set gas flow duration to the desired preflow time.