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8
FAULT DIAGNOSIS
116
8026365/V1-0/2022-03|SICK
S U P P L E M E N T A R Y O P E R A T I N G I N S T R U C T I O N S | VMS4200-x/5200-x MID
Subject to change without notice
8.1.3
Fault indication on the object detection photoelectric sensor
Fault indication
LED receive indicator is permanently off.
Fault cause
Possible solution to the problem
Reflector is not positioned in the
beam path of the photoelectric
sensor.
▸
Readjust the photoelectric sensor, clean it,
or check the application conditions.
Fault indication
LED receive indicator is flashing.
Fault cause
Possible solution to the problem
Reflector is being detected in the
fringe range.
▸
Readjust the photoelectric sensor, clean it,
or check the application conditions.
Fault indication
LED receive indicator lights up or flashes even when an object is present in the path of
the beam.
Fault cause
Possible solution to the problem
Reflector is being detected in the
fringe range.
▸
Readjust the photoelectric sensor, clean it,
or check the application conditions.
Tab. 19: Fault indication on the object detection photoelectric sensor