Additional Functions; Fault Diagnosis - SICK WTB9C-3P Serie Instrucciones De Uso

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Additional functions

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Fault diagnosis

7 Table: Fault diagnosis
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Image 3: G
Teach-in mode Teach-in time
for objects
Single teach-in Approx. 1.0 s
pushbutton
If ET is activated: Approx. 1.0 s
Connect pin 2 or
white wire to UV
(PNP).
The sensor can be used in standard I/O mode (SIO) or IO-Link mode (IOL). All automa‐
tion functions and other parameter settings are effective in IO-Link mode and in stand‐
ard I/O mode (exception: time stamp). Output of binary switching signals in standard
I/O mode via pin 4 / black wire or via pin 2 / white wire (depending on the pin 2 config‐
uration).
Information on the IO-Link functions can be found in the enclosed IO-Link photoelectric
sensors operating instructions or downloaded from www.sick.com under the device
order number.
Table indicates which measures are 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
Alignment LED indicator
Sensor to object

Sensor to object

Cause
No voltage or voltage below
the limit values
Voltage interruptions
Sensor is faulty
Results
Sensing range is
adjusted accord‐
ing to object
Sensing range is
adjusted accord‐
ing to object
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
8020418 | SICK
Subject to change without notice