If the hands free system can no longer communicate with the other control
units over the can network (with the
dashboard or engine on), the following icon is shown on the tank dashboard:

The following image shows the icon appearing on the tank dashboard: this
indicates that the hands free system is not
connected to the can network or that it cannot communicate over the can network
in the event of a hands free system fault, the following icon is displayed on
the tank dashboard: 
The following image shows the icon appearing on the tank dashboard: this indicates a hands free system fault if the engine was off before the fault occurred, starting the engine may not be possible.
If the engine was running before the fault occurred, the hands free system will not switch the engine off. Once the engine is switched off, however, starting the engine may no longer be possible.
Recovery procedure in the event of electric steering lock fault
Start procedure with pin code (no keys)Indicator air - air temperature
This function shows the external temperature.
Display limits: -39C ÷ +124C
In the event of a sensor fault (-40C,+125C or
disconnected), a string of dashes "- - -" (not flashing) is
displayed and the "engine/vehicle diagnosis - eobd" light
(7, fig. 4) Comes on.
N ...
Replacing the rear phonic wheel sensor
Disconnect the rear abs sensor (5) connector (c) from the main electric
wiring.
Open all the retainer clamps of the rear abs sensor cable (5): refer to table of
sect. 7 - 6, Flexible wiring/hoses
positioning.
Remove the rear abs sensor (5) from its seat on the rear calliper mounting ...
Front brake lever
Pull the lever (1, fig. 94) Towards the twistgrip to operate the
front brake. The system is hydraulically assisted and you only
need to pull the lever gently.
The control lever (1, fig. 94) Features a dial adjuster (2, fig. 94)
For lever distance from the twistgrip on handlebar
adjustment.
...