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Fault type
Brief description
Cause
Troubleshooting
N1
Invalid input signal
The signal applied at the control
inputs is not assigned to a monitor‐
ing case. The signal is applied for
longer than the set input delay +1 s.
b
Check the configuration with
Safety Designer.
b
Check the working process of the
machine.
N2
Incorrect switching
sequence
The configured switching sequence
was interrupted by the new monitor‐
ing case.
b
Check the machine’s work
process.
b
Change the configured switching
sequence monitoring.
N3
Invalid input signal
The signal applied at the static con‐
trol inputs does not match the com‐
plementary condition. The signal is
applied for longer than 1 s.
b
Check the control of the control
inputs.
T1
Temperature error
The Safety laser scanner’s operating
temperature has exceeded or fallen
below the permitted range.
b
Check whether the safety laser
scanner is being operated in
accordance with the permissible
ambient conditions.
W1
Warnings exceed toler‐
ance time
The combination of multiple warn‐
ings has resulted in a fault. The tol‐
erance time of 1 s has been
exceeded as there are multiple
warnings.
b
Use Safety Designer to check
what warnings exist.
11.4
Diagnostics using Safety Designer
The following diagnostics tools are available in the device window:
•
Data recorder
•
Event history
•
Message history
The following interfaces are suitable for diagnostics:
•
USB 2.0 mini-B (female connector)
5)
5)
The USB connection may only be used temporarily and only for configuration and diagnostics.
TROUBLESHOOTING
11
8023152/160F/2019-11-14 | SICK
O P E R A T I N G I N S T R U C T I O N S | outdoorScan3 Core I/O
123
Subject to change without notice