Indicator LED Color Function
State
Ö
Yellow Booting (slow flashing) or firmware
upgrade (fast flashing)
O
Yellow Idle (or acquiring single frames)
O
Green Continuous acquisition
Ö
Red Thermal warning (risk of overheating)
O
Red The device is in rescue mode, due to
software problems or overheating.
For more information, see "Rescue
mode", page 68.
Link/Data Off No Ethernet connection
O
Green Connection established, 1 gigabit/s
Ö
Green Ethernet frames are being transmit‐
ted or received
Laser
O
Green Laser output active (Not imple‐
mented)
O= illuminated, Ö= flashing
6 ELECTRICAL INSTALLATION
22
O P E R A T I N G I N S T R U C T I O N S | Ranger3 8020774/14IM/2019-07 | SICK
Subject to change without notice
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