Disassembly And Disposal - SICK WTB4-3 Instrucciones De Operación

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7

Disassembly and disposal

8
Maintenance
8011449.YMU2 | SICK
Subject to change without notice
LED indicator/fault pattern /
LED indicator/fault pattern
Green LED does not light up /
Green LED does not light up
Yellow LED flashes /
Yellow LED flashes
Yellow LED lights up, no object
in the path of the beam /
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 /
Object is in the path of the
beam, yellow LED does not
light up
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).
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.
DISASSEMBLY AND DISPOSAL
Cause /
Cause
Sensor is faulty /
Sensor is faulty
Sensor is still ready for opera‐
tion, but the operating condi‐
tions are not ideal /
Sensor is still ready for opera‐
tion, but the operating condi‐
tions are not ideal
/ Distance between the sen‐
sor and the background is too
short /
/ Distance between the sen‐
sor and the background is too
short
Distance between the sensor
and the object is too long or
sensing range is set too
short /
Distance between the sensor
and the object is too long or
sensing range is set too short
Measures /
Measures
Ensure there is a stable power
supply without interruptions
If the power supply is OK,
replace the sensor /
If the power supply is OK,
replace the sensor
Check the operating condi‐
tions: Fully align the beam of
light (light spot) with the
object. / Clean the optical sur‐
faces . / Readjust the sensitiv‐
ity (potentiometer) / Check
sensing range and adjust if
necessary; see graphic F. /
Check the operating condi‐
tions: Fully align the beam of
light (light spot) with the
object. / Clean the optical sur‐
faces . / Readjust the sensitiv‐
ity (potentiometer) / Check
sensing range and adjust if
necessary; see graphic F.
Reduce the sensing range,
see graphic F /
Reduce the sensing range,
see graphic F
Increase the sensing range,
see graphic F /
Increase the sensing range,
see graphic F
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