Malfunctions - Soyer BMK-12 W Operating Instructions Manual

BMK-12 W

10.1 Malfunctions

Error
Main switch does not
remain in position "1".
System is switched on, but
does not function.
There is no arc even
though system is ready for
operation.
System does not weld, no
or only poor sparking.
Stud thread scorched.
No shielding gas flow
during welding process.
Cause
Elimination
One or several phases have failed.
Check mains supply fuses.
Fuse F2 are defective.
Replace defective fuse.
Mains supply is defective.
Check mains supply fuses
Fuse of stud welder is defective.
Replace defective fuse.
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 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 on the system, the LEDs light up
shortly.
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
damaged.
Connect cable properly or check for damage. Replace if necessary.
Connecting plug or socket of stud welder are 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 holder worn
Replace stud holder.
Gas cylinder is not or not properly connected to the system and/or valve
or shut-off valve are not open.
Connect gas cylinder according to chapter 5.2.3 and/or open valve or
shut-off valve.
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