
Regular checks and maintenance
Operating Manual PSEN op4B/1 Series
1003356-EN-02
58
9
Regular checks and maintenance
9.1
Checks
9.1.1
Regular checks
The aim of these regular checks is to uncover any changes to the plant/machine, safe-
guards and ambient conditions.
9.1.2
Daily check
The safety light grid must undergo a function test once a day (e.g. when starting work, after
a shift change).
INFORMATION
This inspection may only be carried out by qualified personnel.
Check the safety function of the safety light grid as follows:
Violate the protected field. The indicator light unit must change from green to red and the
movement causing the hazard must be switched off.
9.1.3
Check after plant/machine modification
Check the safety light grid each time the plant/machine is modified. Changing the safety
light grid or swapping safety light grid components should be regarded as a modification.
The requirements of the applicable national regulations must be observed
absolutely
.
INFORMATION
This inspection may only be carried out by qualified personnel.
The Appendix contains a Checklist which should help you perform the safety check.
9.2
Maintenance
Other than cleaning the lens covers, the safety light grids requires no other form of main-
tenance.
CAUTION!
Improper cleaning agents can damage the safety light grid and lead to mal-
functions