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Troubleshooting; Troubleshooting Table - SICK GRTE18 Serie Manual De Operación

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7

TROUBLESHOOTING

7
Troubleshooting
7.1

Troubleshooting table

10
Use and Table 3 to check the function. If the switching output fails to behave in accordance
with Table 3, check the application conditions. See section Fault diagnosis.
3
Sensing range setting
Sensor which it is not possible to set: The sensor is adjusted and ready for operation.
The sensitivity (sensing range) is adjusted with the potentiometer (type: 270°). Clockwise
rotation: sensitivity (sensing range) increased; counterclockwise rotation: sensitivity (sens‐
ing range) reduced. We recommend placing the object within the sensing range. Once the
sensitivity is set, remove the object from the beam path. The switching output changes.
Table 4: Sensing range setting
The sensor is adjusted and ready for operation.
The Troubleshooting table indicates which measures are to be taken if the sensor stops
working.
Table 5: Troubleshooting
LED indicator/fault pattern
Green LED does not light up
Green LED does not light up
Green LED does not light up
Yellow LED flashes
Cause
No voltage or voltage below
the limit values
Voltage interruptions
Sensor is faulty
Sensor is still ready for opera‐
tion, but the operating condi‐
tions are not ideal
Measures
Check the power supply,
check all electrical connec‐
tions (cables and plug connec‐
tions)
Ensure there is a stable power
supply without interruptions
If the power supply is OK,
replace the sensor
Check the operating condi‐
tions: Fully align the beam of
light (light spot) with the
object / Clean the optical sur‐
faces / Readjust the sensitiv‐
ity (potentiometer)
8021181 | SICK
Subject to change without notice

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