Operating instructions

Operating Instructions Chapter 3
C4000 Standard/Advanced
8009861/WA65/2012-06-12 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 19
Subject to change without notice
Product description
3.4.2 Status indicators of the receiver
Display Meaning
 Orange Cleaning or realignment required
 Yellow Reset required (on C4000 Guest has no function)
 Red System providing signals for shutting down the machine (switching
output off)
 Green System enabled (switching output on)
 Bypass active
 System error. Disconnect the supply voltage to the C4000 for at least
3 seconds. If the problem persists, replace the unit.



Poor alignment to sender.
Please refer to chapter 7.2 “Aligning sender and receiver” on page 63.
 Operation with large protective field width (only after switching on)
 Operation with reduced resolution and/or blanking
 Non-coded operation (only after switching on)
 Operation with code 1 (only after switching on)
 Operation with code 2 (only after switching on)
 Emergency stop active
Other
displays
All other displays are error messages. Please refer to chapter “Fault
diagnosis” on page 68.
Fig.
8
:
Status indicators of
the receiver
Tab.
3
:
Status indicators of
the receiver
Orange
Yellow
Red
Green
7;segment display