Operating Instructions

3 Operating devices and display elements
14
Operating Instructions - X EN - 01/2020
The LEDs 1 to 4 indicate the status of the sensors.
The following operating statuses are possible:
• LED green:
The Truck Unit is switching on. The
sensors perform self-testing for 10
seconds.
• LED off:
The Truck Unit is switched on. The sensors
are ready for operation.
• LED red:
The Truck Unit is switched on but the
respective sensor is not ready for
operation. Stop operation. Check the
sensor.
The middle LED displays the status of the
switching output.
The following operating states are possible:
• LED green:
Switching on or changing the switching out-
put from active to inactive.
• LED off:
Switching output inactive.
• LED red:
The switching output is active, e.g.
indicating that the speed reduction as
comfort function should be active.
Pairing active
The LED indicates whether a Distance Beeper is
paired with the Truck Unit. No signaling message
is triggered for a paired Distance Beeper.
The following operating statuses are possible:
• LED off:
No Distance Beeper is paired.
• LED green:
Distance Beeper is paired and within range
of the Truck Unit.
• LED red:
Distance Beeper is paired but not within
range of the Truck Unit.