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 lockedChecking 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 ...
Removal of the crankshaft/connecting rods assembly
After separating the crankcase halves, withdraw the crankshaft (6) complete
with connecting rods (2).
...
Engine torque settings
*Dynamic safety-critical point; tightening torque must be within nm +/-5%.
Note
For product specifications and symbols, refer to paragraph "product
specifications" (sect. 1 - 2). ...