9
Cleaning and switching the protective glass of the eye protection filter.
Never dismantle the eye protection filter (shutter)!
Only clean the surface. Use a soft cloth dampened with a glass cleaner.
If protective glass (7) needs to be replaced, push it forwards out of its support and insert
the new protective glass in the same way.
6-2 MAINTENANCE OF THE ELECTRICAL COMPONENTS
Warning! Danger of glare, never look directly into the LED light or its reflections!
Caution! Only operate the LED light when the LED module is mounted in the
supporting arm of the hand-piece.
Changing the LED light module:
Switch the PUK off and remove the power cable of the mezzo from the PUK.
Loosen the retaining screws that hold the LED module, and remove the module.
Only use replacement LED modules from Lampert Company.
Mount the new LED module in the supporting arm of the hand-piece. Remember that the
module should fit flush with the underside of the supporting arm.
7
TROUBLE SHOOTING
PROBLEM
CAUSE
SOLUTION
7-1 PROBLEMS WITH ELECTRICAL COMPONENTS
A The LED light doesn’t
work
Cord switch is not switched
on
Insert the mains cable (16)
into the connection socket
marked “LED-Lamp 800
mA”, on the back of the
welding device
Cable not attached.
Switch on the cord switch
LED defective
Change the LED module
(Chapter 6-2)
B Shutter doesn’t switch to
its dark setting
Control lead is not attached
Attach the control lead for
the Shutter (17) to the back
of the welding device
Shutter defective
Exchange the shutter
7-2 IMAGE QUALITY
D Poor resolution.
Eyepieces soiled.
Clean eyepiece
E Marks or contamination in
the visual field
Eyepieces soiled.
Clean eyepiece
Protecting glass soiled.
Clean or change protecting
glass
* Note: Marks in the visual field can also be caused by
contamination inside the eyepieces. It is recommended to
have the lenses cleaned by an authorized service
technician.
