SICK deTem4 LT Muting A/P, Operating Instructions Manual, Page: 70 / 108

9 Operation
9.1 Overview
Information on the status as well as diagnostics and troubleshooting of the protective
device can be displayed as follows:
• Diagnostics LEDs
Status and fault information, as well as diagnostics data, are displayed directly on
the active unit by means of the diagnostics LEDs.
• NFC
Status and fault information, as well as diagnostics data, can be read out to an
NFC-capable device by means of an integrated NFC interface.
Complementary information
You can find additional information on NFC in the SICK Safety Assistant app.
Further topics
• "Diagnostic LEDs", page 77
9.2 Safety
DANGER
Hazard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of non-
observance.
b
Maintenance work, alignment work, fault diagnoses, and any changes to the inte‐
gration of the protective device in the machine must only be carried out by quali‐
fied personnel.
b
The effectiveness of the protective device must be checked following such work.
DANGER
Hazard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of non-
observance.
b
Make sure that the optical properties of the front screens of the active and pas‐
sive units for short scanning ranges are not changed, e.g. by:
°
beading water, mist, frost, or ice formation. If applicable, remove films or
other types of contamination, disconnect the voltage supply of the active unit
and then switch it back on.
°
Scratches or damage. Replace the device if the front screen is scratched or
damaged.
b
Make sure that all reflective surfaces and objects maintain a minimum distance
from the light beams.
b
Make sure that no dispersive media (e.g., dust, fog, or smoke) are within the calcu‐
lated minimum distance from the light beams.
NOTE
This document does not provide instructions for operating the machine in which the
multiple light beam safety device is integrated.
9
OPERATION
70 O P E R A T I N G I N S T R U C T I O N S | deTem4 LT Muting A/P 8024802/2020-07-17 | SICK
Subject to change without notice