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Operating Instructions
Chapter
9
UE4155
8010178/TF82/2010-03-05
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
49
Subject to change without notice
Fault diagnosis
Display
Possible cause
Remedying the error
Red
Voltage supply overload of
the SDL connection
Check the power consumption of
the device connected to the SDL.
Check the connecting cable.
and
Red
Device-communication
error at SDL connection
Device not connected. Check the
connecting cable.
No device-parameter values have
been set for the SDL connection.
Configure this with the aid of the
CDS (Configuration & Diagnostic
Software).
9.4
Additional error displays of the 7
E
segment display of
the C4000
If you operate the safety light curtain C4000 on the SDL connection on a
UE4155 and
evaluate and control the EFI communication in a suitable manner using the FPLC, then
the C4000 has additional functions. This section explains the meaning of the additional
error displays of the 7
D
segment display and how to respond to the messages. You can
find a description of the 7
D
segment display in the chapter titled “Status indicators” of the
“C4000 Standard/Advanced Safety Light Curtain” operating instructions.
Display
Possible cause
Remedying the error
A device connected via EFI
reports a malfunction
Carry out a fault diagnosis of the device
connected with the C4000 (here: the
UE4155).
Bus node configuration is
incorrect
Configure the bus node with the aid of the
CDS.
Check the connection from the C4000 to
the bus node.
Several operating modes
configured, but none
selected
Check the connection and the function of
the operating mode selector switch.
Check the connection for the operating
mode selector switch on the bus node or
in the FPLC.
Check the configuration of the operating
mode selector switch in the bus node or in
the FPLC.
Several operating modes
selected simultaneously
Check the connection and the function of
the operating mode selector switch.
Check the connection for the operating
mode selector switch on the bus node or
on the FPLC for short-circuiting.
Tab. 14: Additional error
displays of the 7
C
segment
display of the C4000