Troubleshooting; Table: Fault Diagnosis; Technical Data - SICK PowerProx Analog WTT12L-A Serie Instrucciones De Operación

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6

TROUBLESHOOTING

6
Troubleshooting
6.1
Troubleshooting
6.2

Table: Fault diagnosis

7

Technical data

Laser class
Light spot diameter/distance
10
1
>10s
A
B
C
A
B
A
Figure 5: J
The Troubleshooting table indicates measures to be taken if the sensor stops working.
LED indicator/fault pattern
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 detected
Yellow LEDs flash at the same
time
Yellow LED flashes (only briefly) Teach-in mode
rechte gelbe LED leuchtet, kein
Objekt im Strahlengang
Object is in the path of the
beam, yellow LED does not
light up
-Axx1x
-Axx2x
1
1
< 11.0 mm /
< 10.0 mm /
1600 mm
1400 mm
2
I
D
10s
l
Cause
No voltage or voltage below
the limit values
Voltage interruptions
Sensor is faulty
SenderOff Input is not con‐
nected properly
The sensor is not ready for
operation. The sensor will be
in the warming-up phase at
low ambient temperatures.
The sensor will have shut
down at excessively high
ambient temperatures.
Distance between the sensor
and the background is too
short
Distance between the sensor
and the object is too long or
sensing range is set too short
-Axx3x
-Axx4x
1
1
< 14.0 mm /
<12.0 /
2500 mm
1800 mm
3
U
E
10s
l
Measures
Check the power supply,
check all electrical connec‐
tions (cables and plug connec‐
tions)
Ensure there is a stable power
supply without interruptions
If the power supply is OK,
replace the sensor
See the note on connecting
the SenderOff-Input.
At low ambient temperatures,
wait until the sensor has
warmed up. Ensure the sensor
cools down at excessively high
ambient temperatures.
Check the teach-in mode
Reduce the sensing range
Increase the sensing range
-Axx5x
-Axx6x
1
1
<12.0 /
<12.0 /
1800 mm
3800 mm
8020879.ZM26 | SICK
Subject to change without notice
I
10s
l

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