SICK UE 402 - Display elements

Operating Instructions Chapter #
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8 009 874/31-03-03 © SICK AG • Industrial Safety Systems • Germany • All rights reserved
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# - !
The UE 402 has a diagnosis LED. Moreover, all operational status indicators appear im-
mediately on the corresponding C 4000 sender and/or receiver.
- ! 3 
 Yellow LED off: no supply voltage
 Yellow LED illuminated: device ready for operation
 Yellow LED flashing: error (see section 8 “Fault diagnosis” on page 28)
Fig.
6
:
Diagnostic LED of the
UE 402
Tab.
4
:
Me
aning of the
diagnostic LED of the UE 402
Diagnostic LED
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