User Guide

For further information on messages and the necessary actions,
please refer to the software manual of the controlled focusing
optics.
1.4 Malfunctions, possible causes and
measures
■
Protective glass dirty
− Clean the process or objective protective glass or
replace it if required (see "Cleaning the protective glass
in the process protective glass cassette", pg. 5‐18)
To identify dirt on the protective glass, e.g., due to oil
mist, which cannot be immediately detected by means of
visual inspection:
Measure the laser power on the workpiece with the used
protective glass and with a new protective glass.
If the values differ, the protective glass is soiled or dam-
aged.
− Check the air pressure at the supply air connection of
the crossjet; hoses must not be kinked or crushed
Check spatter guard and MDE nozzle body for soiling
and clean or replace it (see "Cleaning the splash guard",
pg. 5‐27)
− Check the gas quality at the crossjet; only use oil- and
water-free compressed air, check oil and water separator
at regular intervals
■
Protective glass damaged
− Replace the protective glass (see "Cleaning the protec-
tive glass in the process protective glass cassette",
pg. 5‐18)
■
Incorrect working distance
− Set the working distance (see "Adjusting the working dis-
tance", pg. 4‐8)
■
Focal position misadjusted
− Check or adjust the defocusing
■
LLK not connected correctly
− Check the coding pin on the optical plug; this must be
located in the groove of the processing optics. Insert the
plug as far as the stop. The sliding sleeve of the plug
receptacle needs to be unlocked.
■
Dual focus optics misaligned
− Adjust the bifocal optics (see "Adjusting the dual focus
optics", pg. 4‐21)
6
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Conduct in case of malfunctions
2020-01 22-50-17-CRen
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