7
MAINTENANCE AND REPAIR
108
8026365/V1-0/2022-03|SICK
S U P P L E M E N T A R Y O P E R A T I N G I N S T R U C T I O N S | VMS4200-x/5200-x MID
Subject to change without notice
7.1.4
Cleaning the photoelectric sensors
Contamination on the photoelectric sensors can cause faulty switching behavior.
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Remove contamination from the optically active surfaces of the sensors.
Fig. 92: Cleaning the optical surfaces of the photoelectric sensor array
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Check that the photoelectric sensor and reflector are aligned correctly at regular
intervals.
7.1.5
Cleaning the cabinet
The cabinet features an integrated fan to ensure that cabinet components are adequately
cooled.
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Air inlets and outlets on the cabinet should be cleaned regularly with a brush.
WARNING!
RISK OF DAMAGE TO ELECTRONIC DEVICES
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Never use compressed air for cleaning!
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Only knock the dirt off the ventilation grilles or clean them with a brush.
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Never wet-clean the grilles.
Fig. 93: Replacing the filters at the air inlets and outlets of the cabinet
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Regularly check and, if necessary, replace the filter mats behind the covers for the air
inlets and outlets.
▸
Remove the covers from the air inlets and outlets. To do so, insert your finger into the
semi-circular recess in the cover.
▸
Carefully remove the cover from the front.
▸
Remove old filter mats and replace them with new ones.
Reattach the covers the right way up and press them down until they click into place.
Cleaning
Replacing filter mats