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 lockedReassembly of belly fairing
Position the oil cooler shield (7) inserting the tab (a) into the slit (b) in
the electrical components support (s).
Note
On refitting, make sure that the tab (c) remains positioned under the
retainers (d) of the shield (7).
Fit clips (11) on bracket (13) and orient them as shown in the f ...
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 ...
High beam lights not working
Fault codes
The hi beam light on the (slave) dashboard flashes at 1hz frequency.
Wiring diagram
Location of elements on motorcycle
(A) injection relay; (b) etv relay (throttle valve operating engine); (c)
radiator fan relay; (d) hands free relay.
Fuses located at the rear left of the ...