Operating Instructions
Chapter
9
TPS
8021799/2017-09-26
Operating Instructions | SICK
75
Subject to change without notice
Fault diagnosis
9.4.2
LiDAR sensor not available
Fault situation
The display is not receiving any measured data from the LiDAR sensor.
The following error message appears on the operator display:
Possible cause
The LiDAR sensor is not connected to the supply voltage or is defective.
The control cabinet is not connected to the supply voltage or is defective.
The supply voltage is too high or too low.
The Ethernet connection between the LiDAR sensor, control cabinet, and operator
display has been interrupted.
The Ethernet cable or the connecting cable for the voltage supply is defective.
Remedy
1. Check the cabling and close all components according to the wiring plan. On this
2. Check the voltage supply to the system. The voltage must be 24 V. Switch on the correct
voltage supply.