Operating instructions
Chapter 10 Operating Instructions
C4000 Standard/Advanced
72 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8009861/WA65/2012-06-12
Subject to change without notice
Fault diagnosis
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 (output signal
switching devices off)
Green
S
ystem enabled (output signal switching devices 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.
10.6 Extended diagnosis
The CDS software supplied with the device (Configuration & Diagnostic Software) includes
extended diagnostic options. 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 for the CDS.
in the user manual for the CDS.
Tab.
27
:
Status indicators of
the receiver