Fault Diagnosis - SICK WTB9M4-3 Manual De Operación

4
5 Devices with special features
6

Fault diagnosis

7 Table Fault diagnosis
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Image: G
WTF9-3P2461: Photoelectric proximity sensor with foreground suppression
WTF9-3P2261S01: Photoelectric proximity sensor with foreground suppression, sen‐
sing range max. 500 mm, switching frequency 200 Hz
WTF9-3P2261P03: Photoelectric proximity sensor with foreground suppression, sen‐
sing range max. 500 mm, switching frequency 200 Hz, with DOL-0804-W02M
WTB9-3P3461S06: Pin 4 = Q\ (dark switching), pin 2 = NC (not assigned)
WTB9-3P3161: 3 pins; pin 1 = L+, pin 3 = M, pin 4 = Q (light switching)
WTB9-3P3461S13: Pin 4 = Q (light switching), pin 2 = NC (not assigned)
WTB9-3P2400S03: dummy cover which it is not possible to set, sensing range preset
to 98 mm
WTB9-3F3111: Cable with M8 male connector, 3-pin 120 mm, pin 2 = Q dark switching
WTB9M4-3P3461S19: Increased sensing range 400 mm on white 90%, switching fre‐
quency 750 Hz
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
Cause /
Cause
No voltage or voltage below
the limit values /
No voltage or voltage below
the limit values
Measures /
Measures
Check the power supply,
check all electrical connecti‐
ons (cables and plug connecti‐
ons) /
Check the power supply,
check all electrical connecti‐
ons (cables and plug connecti‐
ons)
8017515 | SICK
Subject to change without notice