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148 On-board computer and displays
Display messages
¤
Check semitrailer cou-
pling.
¤
Check semitrailer cou-
pling.
î
Semitrailer coupling sen-
sor faulty
Braking and driving systems
Display messages
·
Possible causes/consequences and
* Supplementary text Û :
ded.
The ¤ indicator lamp lights up red in the status area as well as in
the event window.
If the on-board computer displays a warning and a warning tone
sounds, the monitored fifth wheel coupling is engaged and the semi‐
trailer has not been detected.
WARNING! The semitrailer can become decoupled.
There is a risk of an accident.
Check the locking mechanism on the monitored fifth wheel cou‐
#
pling.
* The ¤ indicator lamp lights up red in the status area as well as in
the event window.
If the on-board computer displays a warning and a warning tone
sounds, the monitored fifth wheel coupling is engaged and the semi‐
trailer has not been detected.
WARNING! The semitrailer can become decoupled.
There is a risk of an accident.
Check the locking mechanism on the monitored fifth wheel cou‐
#
pling.
or
Couple up the semitrailer again.
#
* The î indicator lamp lights up red in the status area as well as in
the event window.
The sensor on the fifth-wheel coupling is malfunctioning. The state
of the monitored fifth wheel coupling has not been correctly detec‐
ted.
Observe the Û supplementary text regarding the malfunction/
remedy in the red event window, e.g.
WARNING! The semitrailer can become decoupled.
There is a risk of an accident.
Clean the sensor; see the manufacturer's operating instructions.
#
Check the locking mechanism on the monitored fifth wheel cou‐
#
pling.
Possible causes/consequences and
* WARNING!
Active Brake Assist warns you of a risk of collision with the vehicle
in front.
There is a risk of an accident.
Solutions
M
Check semitrailer coupling: open if nee-
Stop vehicle and clean
Solutions
M
sensor.
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