NOTE
Static charging may cause dust particles to stick to the inspection window. This effect
can be reduced by using an anti-static cleaning agent in combination with the SICK lens
cloth (part no. 4003353) (can be obtained from www.sick.com).
The viewing window is made of plastic, see "Technical data", page 65.
NOTICE
Damage to the inspection window.
Reduced read performance due to scratches or streaks on the window!
■
Clean the window only when wet.
■
Use a mild cleaning agent that does not contain powder additives. Do not use
aggressive cleaning agents, such as acetone, etc.
■
Avoid any movements that could cause scratches or abrasions on the window.
■
Only use cleaning agents suitable for the screen material.
Cleaning procedure:
CAUTION
Warning! Optical radiation: LED risk group 1
The LEDs may pose a danger to the eyes and skin in the event of incorrect use.
■
Protect the eyes and skin against radiation.
■
Use suitable eye protection.
■
Use protective measures such as a screen to shield the radiation.
■
Do not open the housing. Opening the housing will not switch off the light source.
Opening the housing may increase the level of risk.
■
Comply with the current national regulations on photobiological security of lamps
and lamp systems.
If the product is operated in conjunction with external illumination systems, the risks
described here may be exceeded. This must be taken into consideration by users on a
case-by-case basis.
Laser alignment aid (Lector621 variant only):
CAUTION
Optical radiation: Laser class 1
The accessible radiation does not pose a danger when viewed directly for up to 100
seconds. It may pose a danger to the eyes and skin in the event of incorrect use.
■
Do not open the housing. Opening the housing may increase the level of risk.
■
Current national regulations regarding laser protection must be observed.
Caution – Use of controls or adjustments or performance of procedures other than
those specified herein may result in hazardous radiation exposure.
For both radiation types:
It is not possible to entirely rule out temporary disorienting optical effects, particularly
in conditions of dim lighting. Disorienting optical effects may come in the form of daz‐
zle, flash blindness, afterimages, photosensitive epilepsy , depending on parameteriza‐
tion), or impairment of color vision, for example.
8
MAINTENANCE
58
O P E R A T I N G I N S T R U C T I O N S | Lector621 8022502/15NT/2020-02-11 | SICK
Subject to change without notice
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