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 lockedRouting of wiring on frame
The routing of the wiring has been optimised to ensure the minimum
obstruction.
Each section is designed to prevent interference with parts that might damage
wires or cause operating failures when
riding. The plates on the following pages show the origins ("0" points) for
correct re-routin ...
Removal of the water pump
Note
For clarity, the figures show the engine removed from the frame.
Loosen and remove the water pump cover (12) fixing screws (13) to the
generator cover (16).
Remove the water pump cover (12).
Clean the pump housing of any scale. Check the bearings wear by turning the
impeller s ...
Refitting the gearchange mechanism
Make sure that the gearchange linkage assembly (6) is installed with the ball
joint with a left-hand thread (a) facing the
lever (8).
Apply the recommended grease to the non-threaded surface of the pin (4).
Fit the first o-ring (5) in the pin (4).
Start the pin (4) in the gearchange leve ...