Troubleshooting - SICK HSE18 Instrucciones De Operación

7
COMMISSIONING
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Troubleshooting

22
Health output: The sensor (HSE18) features a health status notification output ("Q2" in
connection diagram [B], if the health option is selected), which issues a notification if
the signal strength of the light being received is sufficient. Possible causes, if the signal
strength is not sufficient: Sensors are contaminated, sensors are out of alignment, or
cable is damaged. In the good state: HIGH (>+U
the event of cable interruption: LOW (U
Time types
Time types: HSE18 with optional On-delay or Off-Delay adjustment: t0 = no time delay,
t1 = time delay when object is detected, t2 = time delay when no object is detected.
The time setting can be selected using the potentiometer according to A.
Timer stages can be set from 0 to 2 seconds.
Test input
Test input: The HSE18 sensor features a test input ("TE" or "Test" on the connection
diagram [B]), which can be used to check that the sensor is functioning correctly: If
female cable connectors with LED indicators are used, you must ensure that the TE is
assigned accordingly.
There must be no object between the sender and receiver; activate the test input (see
the connection diagram [B], TE 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.
Table 13: Troubleshooting
LED indicator/fault pattern
Yellow LED does not light up
even though the light beam
is aligned to the receiver and
there is no object in the path of
the beam
No object in beam path, no out‐
put signal
Green LED flashes
Switching outputs not accord‐
ing to graphic C
Switching outputs not accord‐
ing to graphic C
- V); if excessively contaminated or in
V
< V). The LED indicator flashes in this case.
V
Cause
No voltage or voltage below
the limit values
Voltage interruptions
Sensor is faulty
Test input (Test) is not con‐
nected properly
IO-Link communication
IO-Link communication
Parameter settings made
manually, which deviate from
the standard
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 connection of the test
input. When using female
cable connectors with LED
indicators, make sure the test
input is assigned correspond‐
ingly.
-
-
Initiate a factory reset. The
switching outputs are reset to
factory settings.
8017854.1A15 / 2020-12-14 | SICK
Subject to change without notice