Operating instructions
LGT
182
8 007 557/S711/2008-06-04 © SICK AG • Safety Systems • Germany • All rights reserved
Product description
3.3.1
Function of the LED Indicators
The LED indicators on the sender units and receiver units are
behind the front panel near the device connector. They have
the functions given in the table.
Yellow
Yellow Red
Green
–
–
LED on
LED off
Yellow
Red
Green
Supply voltage present
Supply voltage present
Clear light path
Low light reception
Protective field broken
LED flashing
Chapter 3
LED in any
condition