SICK WTT190L-A Series - Pushbutton Lock; 5 Troubleshooting; 6 Technical Data

Press the Run button to leave the menu.
4.4
Pushbutton lock
Pushbutton lock on: Press the (Run) button for > 1 s
Pushbutt
on lock off: Press the (Run) button again for > 1 s
5 Troubleshooting
5.1 Troubleshooting
The Troubleshooting table indicates measures to be taken if the sensor stops working.
5.2 Table: Fault diagnosis
LED indicator/fault pattern /
LED indica
tor/fault pattern
Cause /
Cause
Measures /
Measures
Green LED does not light up /
Green LED doe
s not light up
No voltage or voltage below
the limit values /
No voltage or voltage below
the limit values
Check the power supply,
check all electrical connec‐
tions (cables and plug connec‐
tions) /
Check the power supply,
check all electrical connec‐
tions (cables and plug connec‐
tions)
Green LED does not light up /
Green LED doe
s not light up
Voltage interruptions /
Voltage interruptions
Ensure there is a stable power
supply without interruptions /
Ensure there is a stable power
supply without interruptions
Green LED does not light up /
Green LED doe
s not light up
Sensor is faulty /
Sensor is faulty
If the power supply is OK,
replace the sensor /
If the power supply is OK,
replace the sensor
Yellow LED lights up, no object
in the pa
th of the beam /
Yellow LED lights up, no object
in the path of the beam
Distance between the sensor
and the background is too
short /
Distance between the sensor
and the background is too
short
Reduce the sensing range,
see graphic F /
Reduce the sensing range,
see graphic F
Object is in the path of the
beam, y
ellow LED does not
light up /
Object is in the path of the
beam, yellow LED does not
light up
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
Increase the sensing range,
see graphic F /
Increase the sensing range,
see graphic F
6 Technical data
6.1 Technical data
WTT190L-Axxx
Laser class 1
Sensing range 0.2 ... 3.0 m
1)
4 CONFIGURATION
12
8020032.17U4 | SICK
Subjec
t to change without notice