The activation of this (amber yellow) "warning" indicates that the hands free system has detected that the battery that permits the active key (1, fig. 62) To communicate and turn the vehicle on is almost discharged.
Note
In this case, ducati recommends replacing the battery as soon as possible as described in the paragraph "replacing the active key battery" (page 88).

Hands free key (hf) not recognised
High engine coolant temperatureRefitting the camshafts
If the stud bolts (2) were removed, apply the recommended threadlocker to the
short end of the stud bolts (2), i.E. The
end that is to be screwed into the cylinder head. Tighten the stud bolts (2) to
a torque of 10 nm (min. 9 Nm - max. 11
Nm) (sect. 3 - 3, Engine torque settings).
Check t ...
Removal of the primary drive gear
Withdraw the clutch housing (1) complete with driven gear of the primary pair
(a).
Remove the inner spacer (2).
Remove the oil pump (d) (sect. 9 - 2.1, Removal of the oil pump).
Lock the primary pinion (b) with the holding tool 88713.3417 And loosen the
threaded ring nut (3) u ...
Evaporative emissions canister
Sealing washer
Union
Hose clip
Hose
Clamp
"T" fitting
Hose
Support
Special screw
Rubber mounting
Hose
Hose clip
Evaporative emissions canister
Hose
Spring
Spare parts catalogue
Diavel abs evaporative emissions canister
Diavel carbon
abs
evaporative emissions ...