Tabla de contenido
6
Fault diagnosis
7
Table
8016605
Subject to change without notice
Teach-in mode for
Teach-in time /
objects /
Teach-in time
Teach-in mode for
objects
Single teach-in
> 2 to < 5 s
pushbutton /
Single teach-in
pushbutton
Table 7 indicates which measures are to be taken if the sensor stops working.
LED indicator /
LED indicator
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 flashes /
Yellow LED flashes
Alignment /
LED indicator /
Alignment
LED indicator
Sensor to back‐
ground /
Sensor to back‐
ground
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
Sensor is still ready for operation,
but the operating conditions are
not ideal /
Sensor is still ready for operation,
but the operating conditions are
not ideal
Fault diagnosis
Results /
Results
Sensing range is
set to background,
oncoming objects
between sensor
and background are
detected /
Sensing range is
set to background,
oncoming objects
between sensor
and background
are detected
Measures /
Measures
Check the power supply, check all
electrical connections (cables and
plug connections) /
Check the power supply, check all
electrical connections (cables and
plug connections)
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
Check the operating conditions:
Fully align the beam of light (light
spot) with the background / Clean
the optical surfaces / Readjust
the sensitivity (teach-in) / Check
sensing range and adjust if neces‐
sary, see Graphic E / Check the
characteristics of the background
in accordance with the specificati‐
ons, see Graphic E /
Check the operating conditions:
Fully align the beam of light (light
spot) with the background / Clean
the optical surfaces / Readjust
the sensitivity (teach-in) / Check
sensing range and adjust if
necessary, see Graphic E / Check
the characteristics of the back‐
ground in accordance with the
specifications, see Graphic E
WTF12G TranspaTect | SICK
5
Tabla de contenido
