Disassembly And Disposal; Maintenance - SICK WLA16 Instrucciones De Operación

9
TROUBLESHOOTING
10

Disassembly and disposal

11

Maintenance

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LED indicator/fault pattern
Green LED flashes
Switching outputs do not
behave in accordance with
table 4
Not all blue LEDs light up.
Yellow LED flashes
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).
NOTE
Disposal of batteries, electric and electronic devices
• According to international directives, batteries, accumulators and electrical or
electronic devices must not be disposed of in general waste.
• The owner is obliged by law to return this devices at the end of their life to the
respective public collection points.
•
WEEE: This symbol on the product, its package or in this document,
indicates that a product is subject to these regulations.
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.
Cause
IO-Link communication
1. Change of the configuration
2. Short-circuit
a) Insufficient alignment
b) Contamination of the opti‐
cal surfaces
c) Particles in the light beam
d) Distance between sensor
and reflector is too large
e) Reflector is not suitable
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 con‐
taminated.
Measures
None
1. Adjustment of the configura‐
tion
2. Check electrical connections
a) Check alignment
b) Cleaning of the optical sur‐
faces (sensor and reflector).
c) Avoid contamination in the
air as far as possible
d) Check sensing range
e) SICK reflector is recom‐
mended
Check sensing range / check
alignment / SICK reflector is
recommended / Cleaning of
the optical surfaces (sensor
and reflector).
8020348.19RH / 22.12.2020 | SICK
Subject to change without notice