The activation of this (amber yellow) "warning" indicates that the engine coolant temperature is high.
It is activated when the temperature reaches 121C (250f).
Note
In this case, ducati recommends stopping and shutting off the engine immediately; make sure that the fans are working.

Low hands free key (hf) battery level
Steering release error - steering still lockedLocation of elements on motorcycle
(A) injection relay; (b) etv relay (throttle valve operating engine); (c)
radiator fan relay; (d) hands free relay.
(E) ecu; (g) bbs (black box system or central electronics); (f) abs hydraulic
unit with integrated control unit.
Fuses located at the rear left of the vehicle.
...
Tail light - number plate holder
Rh tail light
Vibration damper mount
Spacer
Screw
Number plate light
Screw
Screw
Plate
Number plate holder
Nut
Screw
Rear chain guard
Lh tail light
Spring washer
Vibration damper mount
Splashguard
Screw
Spacer
Screw
Washer
Splashguard (europe - australi ...
Dashboard system
The vehicle is equipped with two dashboards: an lcd (1) located on the
handlebar containing the key indications (speed,
rpm, engine coolant temperature, and clock) and a tft colour display (2) located
in the tank fairing displaying trip
information (riding style set, odometer, consumption, ave ...