SICK WLD26 Manual De Instrucciones página 10

8 Troubleshooting
8020356.14CS | SICK
Subject to change without notice
Operating reserve
100
WLD26P-xxxxx1xx
3
4
10
2
1
1
0 4 8
(13.12) (26.25)
Figure 4: Characteristic line 2
Reflector PL20 CHEM
1
Reflector P250 CHEM
2
Reflector P250H
3
Reflector PL40 Antifog
4
Operating reserve
100
WLD26P-xxxxx1xx
10
1
0 2 4
(6.56) (13.12)
Figure 6: Characteristic line 3
REF-IRF (50x70 mm)
1
The Troubleshooting table indicates measures to be taken if the sensor stops working.
LED indicator/fault pattern
Switching outputs do not
behave in accordance with
table 3 - table 4
Yellow LED flashes
1
2
3
4
0
Sensing range
Sensing range
12 16 20
(39.37) (52.49) (65.62)
Distance in m (feet)
1
0
Sensing range
Sensing range
6 8 10
(19.69) (26.25) (32.81)
Distance in m (feet)
Cause
Short-circuit
Distance between sensor and
reflector is too large / light
beam is not completely
aligned to the reflector /
reflector is not suitable / Front
screen and/or reflector is con‐
taminated.
TROUBLESHOOTING
0.25 4 6
0.25 7 10
0.25 10 12
0.25 10 14
4 8 12
(13.12) (26.25) (39.37) (52.49)
Distance in m (feet)
Sensing range max.
Figure 5: Bar graph 2
0.3 3 5
2 4 6
(6.56) (13.12) (19.69) (26.25)
Distance in m (feet)
Sensing range max.
Figure 7: Bar graph 3
Measures
Check electrical connections
Check sensing range / check
alignment / SICK reflector is
recommended / Cleaning of
the optical surfaces (sensor
and reflector).
8
16 20
(65.62)
8 10
(32.81)
9