EOS R6 Mark II not booting

[TimSe]

Earlier today I was shooting and the original battery started to warn (red blinking battery icon) so I popped the battery and replaced it with a somewhat older LP-E6N. Since then the camera is completely dead. 

When I insert a (charged) battery and hold my ear against the body I can hear 2 sounds: something that sounds like the IBS starting up (mechanical "klunk" like sound) and a surring sound like a fan. The screen stays black and the camera does not respond to any buttons. 

Any tips?

[Tronhard]

Sorry Tim

That post got crossed with another thread.

[TimSe]

No worries, your efforts are appreciated even if they were incorrect in this case.

Thanks for trying to help!

[Tronhard]

Definitely would discourage you from switching batteries (or lenses) with the camera turned on you can really cause a short.  I was answering you on a cell phone, on a train at rush hour, so things did not go well!  The comment about switching lenses is more of a bonus advisory. 

You can turn off sensor cleaning and just do that as you wish, even assigning it to first place on a custom menu for fast access.  Better that and turn off the camera to switch batteries or lenses than risk killing your camera.

I wish you luck with the check, but hope this time will serve as a cautionary experience.

[TimSe]

Got a notification that someone asked if my problem was solved. Can't find the reply but I'll reply anyway. No - my problem has not been solved yet. It is currently at my local Canon Repair Center, they gave me an estimate of 6 weeks for repair. I'll update when I get it back.

I'm currently using my old 5Diii until I get the R6ii back.

[TimSe]

Today I picked up my R6 ii from the Canon Professional Service Center.  

I took a quick glance at the repair doc (hoped it would have been included in the case dokumentation, but it isn't) and I think I got a new motherboard. Repaired under warranty.

Happy puppy!

(now only to reset all my settings and rebuild my custom menu)