Chapter " Operating Instructions
30 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8 009 874/31-03-03
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Key-operated push-
button for bypass is
malfunctioning or
invalid configuration
Check whether the configuration of the key-
operated pushbutton for bypass in the CDS
matches the electrical connection.
Check the function of the key-operated push-
button for bypass and replace it if necessary.
Ensure that both contacts on the key-operated
p
ushbutton for bypass are pressed within 2
seconds.
Short-circuit at the
operating mode
selector switch
Check the operating mode inputs on the UE 402
for short-circuit to 24 V.
UE 402 is defective Interrupt the supply of power to the C 4000 and
to the UE 402 for at least 3 seconds.
If the problem is still present, then replace the
UE 402.
" ,
The CDS software (Configuration & Diagnostic Software) supplied with the safety light
curtain C 4000 contains extensive diagnostic facilities. It allows you to narrow down the
problem if the error is non-specific or if you experience usage downtime problems. Detailed
information to be found
in the online help function of the CDS (Configuration & Diagnostic Software)
in the user manual for the CDS
' , B
Connect the PC/notebook in which CDS has been installed to the receiver of the safety
light curtain C 4000.
Carry out a diagnosis on the host of the C 4000 receiver.
Device symbol C 4000 Host (receiver), context menu Diagnostics, Show.
7-segment display (contd.)
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