Additional Functions; Troubleshooting - SICK GR18 Betriebsanleitung
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Andere Handbücher für GR18:
- Betriebsanleitung (144 Seiten) ,
- Betriebsanleitung (117 Seiten) ,
- Betriebsanleitung (101 Seiten)
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5
Additional functions
6
Troubleshooting
Table Fault diagnosis
8016954.1ABM / 2020-12-21 | SICK
Subject to change without notice
Figure: G
Test input: The GRSE18 sensor features a test input ("TI" or "Test" on the connection
diagram [B]), which can be used to switch the sender off and therefore check that the
sensor is functioning correctly: If female cable connectors with LED indicators are used,
you must ensure that the TI is assigned accordingly.
There must be no object between the sender and receiver; activate the test input (see
the connection diagram [B], TI at 0 V). The send LED is shut down or the detection of
an object is simulated. Refer to graphics C and G to check the function. If the switching
output fails to behave in accordance with graphic C, check application conditions. See
section Fault diagnosis.
The Troubleshooting table indicates measures to be taken if the sensor stops working.
LED indicator/fault pattern
Green LED does not light up
Green LED does not light up
Green LED does not light up
Green LED lights up, no output
signal when object is detected
Yellow LED flashes
Cause
No voltage or voltage below
the limit values
Voltage interruptions
Sensor is faulty
Test input (Test) is not con‐
nected properly
Sensor is still ready for oper‐
ation, but the operating condi‐
tions are not ideal
COMMISSIONING
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
See the note on connecting
the TI
Check the operating condi‐
tions: Fully align the beam
of light (light spot) with the
receiver. / Clean the optical
surfaces . / Readjust the sen‐
sitivity (potentiometer) / If the
potentiometer is set to the
max. sensing range: Reduce
the distance between the
sender and the receiver and
check / Check sensing range
4
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