Maintenance - SICK PLS 10X-317 Manual De Instrucciones

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7.2 Maintenance

When set up appropriately by authorized personnel using the user
software, the PLS reports minor dirt contamination of the front screen
with the dirt warning (when the device is functioning fully) as well as
severe dirt contamination of the front screen (and shuts down the
outputs at the same time).
Clean the front screen if the device's dirt warning is activated. This is
indicated by the slow flashing of the yellow LED while the green LED
shines constantly (protective field clear). The front screen is an opti-
cal component and must not be scratched. Therefore clean it only
with a soft cloth and plastic cleaner. (Recommended: Antistatic plas-
tic cleaner, 1 litre, order no. 5 600 006)
If the screen is scratched it must be replaced. The order number of
the replacement front screen (including seals and screws) can be
found in the chapter Accessories in the PLS technical description.
As the PLS must be readjusted after replacement of the front screen,
please advise your safety officer.
Regularly check the tightness of all mounting screws on the PLS and
the fixing brackets. Also check all screws on the interface plugs.
Regularly check that the device is functioning correctly by reaching
into the protective field along its edges, corresponding to the appro-
priate application regulations.
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8 009 810/OA87/13-09-04 Operating Instruction • PLS © SICK AG • Industrial Safety Systems • Germany • All rights reserved

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