9 PERIODICAL CHECKS
The following is a list of recommended check and maintenance operations that should be periodically carried-out
by qualified personnel (cfr. Controls after first installation page 24)
Check that:
The ESPE stays locked ( ) during beam interruption along the entire protected area, using the suitable
“Test Piece” (according to the Fig 20 - page 25 scheme).
The ESPE is correctly aligned. Press slightly product side, in both directions and the red LED must not
turn ON.
The response time upon machine STOP (including response time of the ESPE and of the machine) is within
the limits defined for the calculation of the safety distance (see cfr.INSTALLATION page 17).
The safety distance between the dangerous areas and the ESPE are in accordance with the instructions
included in INSTALLATION page 17.
Access of a person between ESPE and machine dangerous parts is not possible nor is it possible for him/her
to stay there.
Access to the dangerous area of the machine from any unprotected area is not possible.
The ESPE and the external electrical connections are not damaged.
The frequency of checks depends on the particular application and on the operating conditions of the safety light
curtain.
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