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 lockedRefitting the evaporative emissions canister
To refit, carry out the removal operations in reverse order, making sure to
locate the hoses as shown in the figures at the
end of the chapter.
Positioning the hoses / clamps and canister filter
...
Residual range indication when the service is due
After resetting the first oil service warning (triggered at 1000 km), upon
every key-on the system displays the
indication of which type of service should be performed next (oil service or
desmo service) and the residual range.
A (green) warning (1) is activated for 2 seconds on every key-on ...
Operations to be carried out by the dealer
List of operations to be performed at 1000 km
Reading of the error memory with dds on the engine control units,
vehicle and abs
Change the engine oil
Change the engine oil filter
Check the indicators and lighting
Check the safety devices (side ...