Fault Diagnosis - SICK WTB4-3 Instrucciones De Operación

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Fault diagnosis

6 Table Fault diagnosis
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Image: C
Image: G
Table 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
Cause /
Cause
No voltage or voltage below
the limit values /
No voltage or voltage below
the limit values
Voltage interruptions /
Voltage interruptions
Measures /
Measures
Check the power supply,
check all electrical connec‐
tions (cables and plug connec‐
tions) /
Check the power supply,
check all electrical connec‐
tions (cables and plug connec‐
tions)
Ensure there is a stable power
supply without interruptions /
8011449.YMU2 | SICK
Subject to change without notice