7 MAINTENANCE AND REPAIR
8026362 / V1-0/2022-03|SICK
SUPPLEMENTARY OPERATING INSTRUCTIONS | VMS4100/5100
Subject to change without notice
7.1.3 Cleaning the 2D LiDAR sensor
Contamination on the optical boundary surface of the 2D LiDAR sensor can impair the
measuring behavior of the device.
Fig. 85: Cleaning the front screen of the 2D LiDAR sensor
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Switch off the device during cleaning.
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Remove dust from the front screen using a soft, clean brush.
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Then wipe the front screen with a clean, damp, lint-free cloth.
Use a mild, anti-static lens cleaning fluid if necessary.
WARNING!
HAZARDOUS LASER RADIATION
The 2D LiDAR sensor of the VMS4100/5100 uses a class 2 laser.
The human eye is not at risk when briefly exposed to the radiation for up to
0.25 seconds. Exposure to the laser beam for longer periods of time may cause
damage to the retina. The laser radiation is harmless to human skin.
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Never look directly into the laser beam.
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Never point the laser beam at people’s eyes.
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During commissioning or maintenance work, suitable eye protection must be worn.
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Avoid laser beam reflection caused by reflective surfaces. In particular during
mounting and alignment work.
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Do not open the housing.
Current national regulations regarding laser protection must be observed.
CAUTION!
REDUCED READING PERFORMANCE DUE TO SCRATCHES OR STREAKS ON THE
OPTICAL BOUNDARY SURFACE
The optical output is weakened by scratches and streaks on the optical boundary
surface.
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Do not use aggressive cleaning agents.
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Do not use abrasive cleaning agents.
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Avoid any movements that could cause scratches or abrasions on the front screen.
Cleaning the
front screen
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