Regular thorough checks serve to investigate the effectiveness of the safety switch and
disco
ver defects resulting from modifications or external influences (such as damage or
manipulation).
The manufacturer and operating entity must define the type and frequency of the thor‐
ough checks on the machine on the basis of the application conditions and the risk
assessment. The process of defining the thorough checks must be documented in a
traceable manner.
4.5.1 Minimum requirements for the regular thorough check
The following thorough checks must be carried out at least once a year:
•
T
horough check of the protective function of the safety switch (see "Thorough
check of the safety function", page 33)
•
Thorough check of secure mounting of the devices and connections
•
Thorough check of the housing, cables and plug connectors for damage
•
Thorough check for contamination
•
Thorough check of assured switch-off distance S
ar
•
Thorough check of the safety switch for signs of misuse or manipulation
PROJECT PLANNING 4
8022726/2019-05-07 | SICK O P E R A T I N G I N S T R U C T I O N S | T4000 Multi
19
Subject to change without notice
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