Diagnostics and troubleshooting
Leuze electronic
LES 36
125
TNT
35/7-2
4
V
12
Diagnostics and troubleshooting
12.1
General causes of errors
Error
Possible error causes
Measures
Control receives no mea-
surement data
Ethernet connection
interrupted
Check connection with LESsoft.
See "Commissioning" on page 62.
Control not connected to
sensor
Use "To sensor" command.
Object contours not
detected
Occlusion
Soiling of the
optics covers
Clean lens covers,
see "Cleaning" on page 129.
Ambient light
Prevent ambient light, shield sensor, see "Selecting a
mounting location" on page 39.
Limit detection range with LPSsoft, see "Field of
View" on page 76.
Reflections
Avoid reflections.
Limit detection range with LPSsoft, see "Field of
View" on page 76.
Unsuitable exposure set-
ting
Adapt exposure duration to the reflective properties of
the objects to be detected. See "Light Exposure" on
page 75.
Object not in measure-
ment range
Visual assessment with LESsoft,
reduce working distance/position of the sensor to the
object. See "Standard tab - Task Parameters panel"
on page 74.
Detection range selected
too small
Configure detection range with LESsoft.
"Field of View" on page 76
Wrong inspection task
selected
Change inspection task with LESsoft or use Ethernet
command "Set Actual Inspection Task". See "Set
Actual Inspection Task" on page 103.
Sensor does not respond to
commands
Sensor in measure/menu
mode
Exit menu view on OLED display.
Connect sensor to control. Switch sensor to command
mode if necessary.
Sensor not connected
Check settings of the Ethernet interface. Connect sen-
sor to control
Sensor not activated
Activate sensor via PIN 2 on X1.
Switch off activation input. See "Activation" on
page 75.
Table 12.1:
General causes of errors