2019 390rr-s blowing fuses

[Seattle300rr]

My 390rr-s has been blowing one of the fuses under the seat on occasion. It seems to happen either when the bike is shut off or turned on. I can't figure out when it's popping the fuse. What I do know is this.

Sometimes when I turn the power on using the key the engine light does not come on. When I see that I know the bike will not start. The starter button does nothing at all. I check the fuses and one is blown. I tried recreating this problem by shutting the bike off in the 3 ways I know how.
1. turning the key to the off position
2. using the kill switch
3. holding the front brake and letting out the clutch while in gear

At home I can't recreate the problem but it happened to me twice on 1 ride and 4 times on another ride. Both times it happened I would say the bike was pretty warm but not over heating.

Couple other things I noticed was the speedo quit working and the fan is not coming on at 220 degrees.

Anybody have any ideas of what I should be checking?

[Darkside]

I would take it to your dealer to look for a short in your wiring harness. Should be still under warranty

[Lonesome Dave]

For what it's worth....
What is common to all of these; ground. Bad grounds can cause all kinds of stupid symptoms. But, when fuses blow, it's usually a short to........you guessed it, ground.

Don't get me wrong, this could be very hard to find. Good luck!

[Seattle300rr]

I checked the ground as best I can. Seems fine. I spoke with the dealer. I’m going to check a few things. I’ll report back.

[warrent]

I had the same issue on my 2017 390, bike would quit. Add a fuse, bike would start and run for a while. The culprit was a bad fan. A new fan from Beta is $258 here in Canada, but $81.00 on Amazon.
Warren...........

[Seattle300rr]

That was my problem too. The fan was seized and Beta covered it under warranty. I rode it all weekend, zero issues.

[Darkside]

that's amazing how a bad fan can cause those electrical problems. My fan seized from dropping my bike and bent the mounting bracket. I had to remove one of the mounting bolts from the radiator so the fan could move freely again

[Seattle300rr]

If power goes to the fan and the fan can't move it creates a possible electrical fire. That's why we have fuses.. to stop a fire. Everything did what it was supposed to do.