10 Troubleshooting
This chapter describes how you identify and remedy faults that interrupt the function of
t
he safety light curtain.
10.1 Safety
DANGER
H
azard 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
Immediately shut the machine down if the behavior of the machine cannot be
clearly identified.
b
Immediately put the machine out of operation if you cannot clearly identify or allo‐
cate the fault and if you cannot safely remedy the fault.
b
Secure the machine so that it cannot switch on unintentionally.
DANGER
H
azard due to unexpected starting of the machine
b
When any work is taking place, use the protective device to secure the machine or
to ensure that the machine is not switched on unintentionally.
DANGER
H
azard 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
Do not do repair work on device components.
b
Do not make changes to or manipulate device components.
b
Apart from the procedures described in this document, the device components
must not be opened.
NOTE
If you cannot remedy the fault with the help of the information provided in this chapter,
please contact your respective SICK subsidiary.
10.2 Diagnostic LEDs
10.2.1 Fault indicators
Overview
In t
he event of a fault, the type of fault is indicated by the LED display on the sender or
receiver.
Sender
Position of light emitting diodes: see "Sender indicators", page 13.
TROUBLESHOOTING 10
8014253/ZOH3/2017-08-04 | SICK O P E R A T I N G I N S T R U C T I O N S | deTec4 Core
53
Subject to change without notice
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