Operation
Blinking pattern of the yellow LED
− Device ON or communication in prog-
ress
− Stem position is relative
− Protecting against blockage
− Removing blockage
Blinking pattern of the red LED
− Restarting device after reset or button
pressed
8-2
On
Off
On
Off
On
Off
On
Off
On
Off
Time in s
Time in s
Time in s
Time in s
Time in s
EB 5857 EN