SICK nanoScan3 I/O

Fault type Brief description Cause Troubleshooting
N1 Invalid input signal The signal applied at the control
in
puts is not assigned to a monitor‐
ing case. The signal is applied for
longer than the set input delay +1 s.
b
Chec
k the configuration with
Safety Designer.
b
Check the working process of the
machine.
N2 Incorrect switching
seq
uence
The configured switching sequence
was interrupted by the new monitor‐
ing case.
b
Chec
k the working process of the
machine.
b
Change configured switching
order.
N3 Invalid input signal The signal applied at the static con‐
t
rol inputs does not match the com‐
plementary condition. The signal is
applied for longer than 1 s.
b
Chec
k activation of the control
inputs.
T1 Temperature error The Safety laser scanner’s operating
t
emperature has exceeded or fallen
below the permitted range.
b
Chec
k whether the safety laser
scanner is being operated in
accordance with the permissible
ambient conditions.
W1 Warnings exceed toler‐
ance t
ime
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 S
afety Designer to check
what warnings exist.
11.4 Diagnostics using Safety Designer
The following diagnostics tools are available in the device window:
•
D
ata recorder
•
Event history
•
Message history
The following interfaces are suitable for diagnostics:
•
USB
4)
•
Ethernet
4)
T
he USB connection may only be used temporarily and only for configuration and diagnostics.
TROUBLESHOOTING 11
8024596/15VP/2019-11-15 | SICK O P E R A T I N G I N S T R U C T I O N S | nanoScan3 I/O
105
Subject to change without notice