5
UK
7 Operation
7.1 LED display
Status LED
Colour
Status
Meaning
Power
green
on
device is switched on,
supply voltage ok
off
no supply voltage or supply voltage
too low
Mobile network
connection
yellow
on
mobile network connection to the cloud
has been established
off
error in the mobile network connection
flashes
firmware update is in progress
IO-Link port 1/2
green
on
IO-Link transmission ok
off
no sensor connected
flashes (1 Hz) IO-Link device - connection is being
established and IODD is being retrieved
flashes (4 Hz) error during the connection or the IO-
Link transmission
