Fault Diagnosis - SICK WT100-2 Instrucciones De Operación

6

Fault diagnosis

7 Tab_Fault diagnosis
8017529 | SICK
4
Image 5: G
Table indicates which measures are to be taken if the sensor stops working.
LED indicator/fault pattern /
LED indicator/fault pattern
Green LED does not light up or
flickers /
Green LED does not light up or
flickers
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
Cause /
Cause
Sensor is still ready for operation,
but the operating conditions are
not ideal (operating reserve factor
between 0.9 and 1.1) /
Sensor is still ready for operation,
but the operating conditions are
not ideal (operating reserve factor
between 0.9 and 1.1)
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
Measures /
Measures
Check the operating conditions:
Fully align the beam of light (light
spot) with the object. / Clean the
optical surfaces / Readjust the
sensitivity (potentiometer) /
Check sensing range and adjust if
necessary, see Graphic E /
Check the operating conditions:
Fully align the beam of light (light
spot) with the object. / Clean the
optical surfaces / Readjust the
sensitivity (potentiometer) /
Check sensing range and adjust if
necessary, see Graphic E
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
Reduce the sensing range, see
Graphic F /
Reduce the sensing range, see
Graphic F