
Operating Instructions
Chapter
10
UE 440/470
8 010 432/P097/14-03-05
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
85
Fault diagnosis
Display
Possible cause
How to remedy the error
;
O
,
A connection cannot be
established with a
device connected via
EFI.
Check the connected device.
;
O
0
A short-circuit exists
between the input for
the reset button and
another input or output.
Check the wiring for cross-circuit.
;
O
>
Fault in PSDI mode
Verify the configuration of the system using
the CDS (Configuration & Diagnostic
Software). Re-transfer the corrected
configuration to the system.
Check the switch for the machine cycle
contacts. Ensure that these are correctly
connected and configured. Replace, if
necessary.
Z
Emergency stop was
actuated
No error:
The UE 440/470 waits until the emergency
stop signal is retrieved again.
>
All outputs are inactive
Switch the voltage supply of the
UE 440/470 off and back on again.
If you experience difficulties while remedying errors/faults, contact SICK support. Also
have a printout of the diagnostic results on hand (see Chapter 10.5 "Extended diagnostics"
on Page 85).
10.5
Extended diagnostics
The CDS software supplied with the device (Configuration & Diagnostic Software) includes
extended diagnostic options. It allows you to diagnose the system status in case vague
malfunctions occur. Detailed information is to be found…
$
in the online help for the CDS.
$
in the user manual for the CDS.
Note