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 lockedTrip 2 meter
This function shows the distance travelled since the trip meter was last
reset (in km or miles depending on the specific
application).
Press and hold (1) "s" for 3 seconds while in this function to reset the trip
odometer.
When the reading exceeds 9999.9, Distance travelled is reset and t ...
Removing of the rear wheel
Place the motorcycle on the rear service stand and engage the 1st gear.
Remove the clip (6).
Using a suitable socket wrench, loosen the wheel nut (1).
Fully unscrew the nut (1), then remove the washer (2) and the spacer (3).
Remove the rear wheel from the motorcycle.
...
Checking and adjusting the valve clearances
Note
For clarity, the figures show the engine removed from the frame.
Move the piston of the cylinder being checked to tdc of the power stroke: in
this condition, all the valves are closed and
the timing shafts come in neutral position and, therefore, free to rotate; check
to the valve cl ...