8014753/ZVZ7/2018-03-22 • © SICK AG • Subject to change without notice 77
Operating instructions Distance measuring device DL100 Pro – RS-422
Troubleshooting
12 Troubleshooting
The follwong table describes possible interferences and measures for
removal.
Contact the manufacturer for interferences that cannot be removed based
on the following description. You can find your local office on the reverse.
General interferences, warnings
and errors
The distance measuring device differentiates between general
interferences, warnings and errors. General interferences are not
displayed. When a warning is pending, the LED
PWR
flashes orange. A
measurement value is output When an error is pending, the LED
PWR
flashes red. The measurement value "0" is output.
12.1 LED status indicators
Display
Possible causes
Troubleshooting
The display shows the value
"0000".
The measuring device's light spot does not
hit the reflector.
Correct alignment between measuring
device and reflector.
The obstacle is in the light path.
Remove obstacle from the light path.
Distance between distance measuring
device and reflector exceeds the maximum
scanning range indicated in the technical
data.
→
• Decrease the distance between the
distance measuring device and the
reflector.
• Select a distance measuring device with a
larger maximum scanning range.
LED
PWR
is not lit. Display is
lit.
Measuring device defective.
Send in device for repair.
LED
PWR
flashes orange.
A warning is pending.
→
For possible causes and their removal,
LED
PWR
flashes red.
An error is pending.
→
For possible causes and their removal,
LED
BUS
is not lit.
The option "Request" was selected for
measurement value output.
→
If required, use the parameter "CntMode" or
"Output" to select a continuous mode.
Table 49: LED status indicators
12.2 Warning messages
Display
Meaning / possible causes
Troubleshooting
NoWrn
No warnings
–