Operating instructions
Operating Instructions Chapter 10
C4000 Standard/Advanced
8009861/WA65/2012-06-12 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 71
Subject to change without notice
Fault diagnosis
Display Possible cause Remedying the error
! Communication in
cascaded system
failed
Verify the configuration of the system using the
CDS (Configuration & Diagnostic Software).
Retransfer the corrected configuration to the
system.
Check the connection between the cascaded
devices. If necessary, replace defective cables.
Supply voltage too low Check the supply voltage and the power supply.
If necessary, replace defective components.
% Fault in PSDI mode Verify the configuration of the system using the
CDS (Configuration & Diagnostic Software).
Retransfer the corrected configuration to the
system.
Check the switch for the machine cycle contacts.
Ensure that these are correctly connected and
configured. Replace this if necessary.
%
1
)
Fault of a device
connected via EFI
Wait a few seconds. Invalid input signals could
still be present on the external switching
amplifier or bus node.
If the error continues to occur:
Check the sensors/signals connected to the
external device.
Check whether the sensor test is configured
correctly.
Check the connections to the external devices. If
necessary, replace defective cables.
Carry out a fault diagnosis of the device
connected with the C4000.
10.5 Status indicators on the C4000
Display Meaning
Yellow Supply voltage o.k.
System error. Disconnect the supply voltage to the C4000 for at least
3 seconds. If the problem persists, replace the unit.
The device is in the test mode.
Non-coded operation (only after switching on)
Operation with code 1 (only after switching on)
Operation with code 2 (only after switching on)
Other
displays
All other displays are error messages.
1)
This error display only occurs in conjunction with an external switching amplifier or bus node.
Tab.
26
:
Status indicators of
the sender