Lampert Werktechnik GmbH
OPERATING MANUAL PUK 5.1
Fault occurring
Possible cause
Fault rectification
Electrode welds to workpiece
Pressure of the electrode on
the workpiece too great
Touch workpiece with extremely
light pressure
Electrode tip melts
Electrode abraded too steeply
Correct the angle of electrode
abrasion, see “Abrading
the electrodes”, approx. 15°
recommended
Static discharge over the surface
of the device
Static charge from the environment Use antistatic foot mat in the working
area, use antistatic cables
Welding process begins, but a
welding point is not produced
Internal protective circuit is
triggered
Switch device off and back on
again
Welding process is triggered
immediately when touching
the workpiece
Malfunction
Immediately put the device out of
operation, contact customer
service
Faults on the microscope
LED illumination fails to operate
Cable not connected
Connect the plug to the connection
socket marked with the red and
yellow eye protection / lamp
symbol on the device
LED faulty
Contact customer service
Eye protection system (shutter)
fails to operate
Plug not connected correctly
Connect the plug to the connection
socket marked with the red and
yellow eye protection / lamp
symbol on the device
Eye protection filter faulty
Arrange to have eye protection unit
replaced by qualified personnel
Poor resolution
Oculars dirty
Clean oculars
Marks or soiling in field of vision
Oculars dirty
Clean oculars, marks in the field
of vision can also be caused by
soiling in the interior of the oculars.
For this reason, it is recommended
to have the lenses cleaned by
a qualified specialist
Protective glass dirty
Clean protective glass
Undesired focussing changes occur
and attachment slides down
independently
Attachment not fitted correctly
Check fastening and re-tighten
12. Repair and guarantee
If the welding device or welding microscope require repair, overhaul or adjustment, your specialist dealer
or authorised customer service centre should be your first point of contact.
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