The activation of this (amber yellow) "warning" indicates that the status of the battery vehicle is low.
It is activated when the battery voltage is . 11.0 Volt.
Note
In this case, ducati recommends charging the battery as soon as possible with the specific device, as it is possible that the vehicle will not start.

Warning indication (alarms/signals)
Traction control (dtc) deactivatedRefitting the cylinder heads pulleys/fixed tensioners
Check that the keyway on the end of the camshaft is in good condition and
without burrs.
Fit a woodruff key (b) in the keyway of each camshaft.
Fit the pulley (11) on the camshaft, inserting the woodruff key in the in the
slot (c) in the pulley.
Apply the recommended grease to the t ...
Refitting the clutch master cylinder assembly
Insert the clutch master cylinder assembly (3) and the clamp (6) on the left
handlebar, so that the top mating faces
match the mark (z) on the handlebar as shown.
Couple terminal (6) to the clutch master cylinder control and fix them with
the screws (v).
Tighten the retaining screws ...
Removal of the expansion tank
Loosen the clamp (6), open the hose guide (a) and slide the hose (7) out of
the radiator.
Open clamps (14) and release the hoses that pass through them.
Loosen the screws (16).
Remove the tank (12) with its hoses (7) and (20) and the support (15).
Loosen the clamp (19) to r ...