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7
Troubleshooting
7.1
Troubleshooting integrated IO-Link devices
8
Sensor replacement/data storage
9
Disposal
8025300.1N1Y/2024-03-11 | SICK
Subject to change without notice
The Troubleshooting table indicates measures to be taken if the sensor stops working.
Table 7: Troubleshooting
LED/fault pattern
Green LED flashes
Switching outputs do not
behave in accordance with
table 6
Yellow LED lights up, no object
in the path of the beam
Object is in the path of the
beam, yellow LED does not
light up
No object in beam path, no
output signal
Notes on malfunctions can be found in the service data.
Details of the available service data can be found in the detailed IO-Link description:
Technical Information: Photoelectric sensors, SICK Smart Sensors /
All IO-Link devices have a backup and restore functionality - Data Storage (DS). The
IO-Link Data Storage function can be used to save previous parameters and transmit
them to the replacement device.
The prerequisite for this is connection of the device to an IO-Link Master, and activation
of the storage function in the IO-Link Master.
Details on sensor replacement can be found in the detailed IO-Link description:
cal Information: Photoelectric sensors, SICK Smart Sensors /
The sensor must be disposed of in line with applicable country-specific regulations.
When disposing of them, you should try to recycle them (especially the precious met‐
als).
OPERATING INSTRUCTIONS
Cause
IO-Link communication
1. IO-Link communication
2. Change of the configuration
3. Short-circuit
The sensing range distance is
too large
Distance between the sensor
and the object is too long or
sensing range is set too short
Test input (Test) is not con‐
nected properly
O P E R A T I N G I N S T R U C T I O N S | WTB4F SingleLine / DoubleLine
Measures
None
1. None
2. Adjustment of the configura‐
tion
3. Check electrical connections
Reduce the sensing range
Increase the sensing range
Check connection of the test
input. When using female cable
connectors with LED indicators,
make sure the test input is
assigned correspondingly.
IO-Link.
Techni‐
IO-Link.
en
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