Pushbutton Lock; Troubleshooting; Table: Fault Diagnosis; Technical Data - SICK WTT190L-A Serie Instrucciones De Operación

4
CONFIGURATION
4.4

Pushbutton lock

5

Troubleshooting

5.1 Troubleshooting
5.2

Table: Fault diagnosis

6

Technical data

6.1 Technical data
Laser class
Sensing range
12
Press the Run button to leave the menu.
Pushbutton lock on: Press the (Run) button for > 1 s
Pushbutton lock off: Press the (Run) button again for > 1 s
The Troubleshooting table indicates measures to be taken if the sensor stops working.
LED indicator/fault pattern /
LED indicator/fault pattern
Green LED does not light up /
Green LED does not light up
Green LED does not light up /
Green LED does not light up
Green LED does not light up /
Green LED does not light up
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
Cause /
Cause
No voltage or voltage below
the limit values /
No voltage or voltage below
the limit values
Voltage interruptions /
Voltage interruptions
Sensor is faulty /
Sensor is faulty
Distance between the sensor
and the background is too
short /
Distance between the sensor
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
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)
Ensure there is a stable power
supply without interruptions /
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
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
WTT190L-Axxx
1
0.2 ... 3.0 m
1)
8020032.17U4 | SICK
Subject to change without notice