Fault Diagnosis - SICK WL14-2 Manual De Operación

6 Devices with special features
7

Fault diagnosis

8 Table : Fault diagnosis
8016164.YFQ1 | SICK
Subject to change without notice
WL14-2P430S01: Pin 1 = L+, Pin 2 = not connected, Pin 3 = M, Pin 4 = Q/
WL14-2P430S02: with sensitivity adjustment (potentiometer), sensing range 0–7 m /
PL80A, light spot diameter approx. 40 mm / 2 m, with autocollimation optics (sender
and receiver on one optical axis) switching frequency 1,000 Hz, response time 500 µs
WL14-2P430S03, WL14-2K930S11, WL14-2P030S13: sensing range 0.5–5 m /
PL80A
WL14-2P030S03, WL14-2P430S16: Pin 1 = L+, Pin 2 = not connected, Pin 3 = M, Pin
4 = Q
WL14-2P430S06: for extreme shock loads
WL14-2P430S07: with no sensitivity adjustment, sensing range 0.15–17 m / PL80A,
light spot diameter approx. 30 mm / 2 m
WL14-2P430S12: sensing range 0.5–5 m / PL80A, Pin 1 = L+, Pin 2 = not connected,
Pin 3 = M, Pin 4 = Q/
WL14-2K930S14: with sensitivity adjustment (teach-in), sensing range 0.15–17 m /
PL80A, light spot diameter approx. 30 mm / 2 m
WL14-2T530S15: with no sensitivity adjustment, sensing range 0.15–17 m / PL80A,
light spot diameter approx. 30 mm / 2 m, with test input, M12, 5 pin plug
Table Fault diagnosis 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
Green LED does not light up /
Green LED does not light up
Green LED lights up, no output
signal when object is detec‐
ted /
Green LED lights up, no output
signal when object is detected
DEVICES WITH SPECIAL FEATURES
Cause /
Cause
No voltage or voltage below
the limit values /
No voltage or voltage below
the limit values
Voltage interruptions /
Voltage interruptions
Sensor is faulty /
Sensor is faulty
Test input (TI) is not connec‐
ted properly /
Test input (TI) is not connec‐
ted properly
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)
Ensure there is a stable power
supply without interruptions /
Ensure there is a stable power
supply without interruptions
If the power supply is OK,
replace the sensor /
If the power supply is OK,
replace the sensor
See the note on connecting
the TI /
See the note on connecting
the TI
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