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I am a bit of a muggle so have no idea.
the only rebuttals are:
No alarm
Bike lights up as normal, so battery has some charge
Fuel pump primer (i guess) makes its noise.
before I press the starter motor the whine is there.
It is different today, more a constant noise.I can't tell if something is trying to spin/pump/move and can't.
Pushing the starter button does nothing.
This morning I popped it in gear and rocked it a bit, and tried a (probably too slow) bump start with no joy.
Turns out I have RAC cover, so will give them a call this morning and see if they can solve the riddle.
(There are no error codes if I open diagnostics, P0000 comes up)
DethBeard-
These days it's not easy to diagnose electrical problems on m/bikes. I've found the same thing with the electric bike. The lights flash a warning and you're stuck with nothing user serviceable.
It's nearly new and massive if I remember right?
Having said that it could be the starter solenoid that's whining.
https://en.wikipedia.org/wiki/Starter_solenoid
Sometimes you have enough battery power but a dodgy connection stops the required amperage for starter operation. Loose or corroded earth strap etc. Change in tone of noise could be it's a component drying out having been soaked in the rain.
Lots of possibilities.
Airhead
You hear the solenoid clicking but it's not throwing the cog to engage the starter. Three things come to mind. Low battery (possibly caused by alarm malfunction based on the whee noise). Starter motor earth not clean or fixed properly. Sticking starter actuator, least likely option but a tap with a hammer was an old school short term solution.
I'd say low battery due to parasitic drain or the more embarrassing alternative, kill switch engaged, are high on the list of possibilities.