7 Troubleshooting
The Troubleshooting table indicates which measures are to be taken if the sensor stops
working.
LED indicator/fault pattern Cause Measures
Green LED flashes IO-Link communication None
Switching outputs do not
behave in accordance with
3
1. IO-Link communication
2. Change of the configuration
3. Short-circuit
1. None
2. Adjustment of the configura‐
tion
3. Check electrical connections
Yellow LED flashes Distance between sensor and
reflector is too large / light
beam is not completely aligned
to the reflector / reflector is not
suitable / Front screen and/or
reflector is contaminated.
Check sensing range / check
alignment / SICK reflector is
recommended / Cleaning of the
optical surfaces (sensor and
reflector).
The sensor is not displayed
in SOPASair
1. Connection to another hand-
held exists.
2.The hand-held is outside of
the transmission range of the
sensor.
3. Bluetooth LE in the sensor is
deactivated.
4. Bluetooth LE in the hand-held
is deactivated.
5. MAC address filter activated,
hand-held not authorized.
1. No connection or deactivation
of the existing connection.
2. Thorough check of installa‐
tion situation (e.g. shielding by
metal).
3. Activation of Bluetooth LE via
SiLink2 master or IO-Link
4. Activation of Bluetooth LE
5. No or change to MAC address
filter.
No connection can be
made to the sensor
1. The Android or iOS version
does not comply with require‐
ments.
2. SOPASair version does not
contain the required driver.
1. Check the operating system.
2. Uninstall SOPASair, install the
most current app version.
8 Disassembly and disposal
The sensor must be disposed of according to the applicable country-specific regula‐
tions. Efforts should be made during the disposal process to recycle the constituent
materials (particularly precious metals).
9 Maintenance
SICK sensors are maintenance-free.
We recommend doing the following regularly:
•
Clean the external lens surfaces
•
Check the screw connections and plug-in connections
No modifications may be made to devices.
Subject to change without notice. Specified product properties and technical data are
not written guarantees.
7 TROUBLESHOOTING
12
8022197 | SICK
Subject to change without notice
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