Fault Diagnosis - SICK GRTE18 Instrucciones De Operación

6

Fault diagnosis

7 Tab_Fault diagnosis
6 | SICK
Image 8: G
Table 7 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 /
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
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
8016953.16B5
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 object. / Clean the
optical surfaces / Readjust the
sensitivity (potentiometer) / Check
sensing range and adjust if neces‐
sary, 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
Irrtuemer