b
Switch off the device for the duration of the cleaning operation. If this is not possi‐
ble, use suitable laser protection goggles. These must absorb radiation of the
device's wavelength effectively.
b
Clean the viewing window only with a clean, damp, lint-free cloth, and a mild anti-
static lens cleaning fluid.
NOTICE
If the inspection window is scratched or damaged (cracked or broken), the lens must be
replaced. Contact SICK Support to arrange this.
■
If the inspection window is cracked or broken, take the device out of operation
immediately for safety reasons and have it repaired by SICK.
Cleaning the housing
In order to ensure that heat is adequately dissipated from the device, the housing sur‐
face must be kept clean.
b
Clear the build up of dust on the housing with a soft brush.
MAINTENANCE
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8022502/15NT/2020-02-11 | SICK
O P E R A T I N G I N S T R U C T I O N S | Lector621
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Subject to change without notice
