Fault type
Brief description
Cause
Troubleshooting
E4
Incompatible system
plug
The system plug is unsuitable for
the safety laser scanner.
b
Check part number or type code.
b
Replace the system plug.
F1
Current too high at an
OSSD
The current is too high at an OSSD.
The limit has been exceeded for cur‐
rent allowed short-term or perma‐
nently.
b
Check the connected switching
element.
F2
OSSD short-circuit to
24 V
There is a short-circuit to 24 V at an
OSSD.
b
Check wiring.
F3
OSSD short-circuit to
0 V
There is a short-circuit to 0 V at an
OSSD.
b
Check the wiring.
F4
Short-circuit between 2
OSSDs
There is a short-circuit between two
OSSDs.
b
Check the wiring.
F5
Short-circuit between
OSSD and universal
input or universal I/O
There is a short-circuit between
an OSSD and a universal input or
between an OSSD and a universal
I/O.
b
Check wiring.
F9
General OSSD fault
At least one OSSD is showing unex‐
pected behavior.
b
Check the wiring of the OSSDs.
T1
Temperature error
The operating temperature of the
safety laser scanner 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
tolerance 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)
7)
7)
The USB connection may only be used temporarily and only for configuration and diagnostics.
TROUBLESHOOTING
11
8017784/1ELL/2022-01-21 | SICK
O P E R A T I N G I N S T R U C T I O N S | microScan3 Core I/O AIDA
119
Subject to change without notice
