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[fdc]

has anyone had this issue with their kronos? i've recently purchased a used kronos x and use it with ableton. periodically the kronos will be working fine sending and receiving midi data and then it will "disconnect" after about an hour of working fine. i use the term disconnect in quotes because it still shows up under the device manager and shows up as connected in ableton but does not send or receive any midi data. furthermore, the kronos is not recognised after "disconnecting" by the kronos editor, and after restarting ableton it is considered unplugged.

after unplugging and plugging in the usb cable it works once again, but after about another hour it "disconnects" itself.

i have tried switching usb ports and cables. after it drops connection, booting ableton shows the midi input "KRONOS 1 KEYBOARD" as connected despite not transferring data, but shows the output "KRONOS 1 SOUND" as being disconnected. this problem is hard to reproduce as its seemingly time based however it has the effect of turning my workstation into a time bomb with a span of about 2 hours. it isnt the end of the world to unplug and plug in the workstation again to regain midi control but this has the effect of making it questionable to perform live with.

could it be that there is some sort of software interfering, or is this a hardware issue? thank you in advance

[fdc]

the kronos doesnt see any midi data being sent to it. i have a different keyboard i tried to use as a midi source and it does not seem to recognise any midi data sent to it. i can play vsts with the keyboard, and it works when i have local control on, but any data sent is ignored. all of the midi filters are checked. ive got no idea what to do i believe my keyboard is defective

edit i restart it and it seems to receive midi data again. i expect the connection to drop after an hour or so. wtf is going on with this thing

[alland]

Strange. Just to check
1) All Kronos firmware updated to latest? What version?
2) All Kronos MIDI drivers updated to latest? What version?
3) You use Windows PC? (mentioned "Device manager" in your post)?
4) You said "tried different keyboards as midi source" [for Kronos?] - so does that mean, if Kronos "hangs" for midi receive, it does not recognise either USB nor DIN5 midi in?
5) You said "I can play vsts with the keyboard" - so does that meand if Kronos "hangs" for midi receive, it still sends midi over USB?

Main points to further diagnose is to pinpoint what exactly is not working with midi and what is working even if something is not working.
- Since USB B (host) is processed by separate chip it would be good to diagnose if something is wrong with that. In such case anything that goes through USB B should "hang" together - USB midi in, USB midi out, also USB sound (but not two USB A connections, those go tirectly to motherboard of Kronos)
- Otherwise if Kronos occasionally hangs just for midi receive (both from usb and DIN input) than there is probably another issue...
None of them are not easy to fix (escept firmware/software uptade cures something), but still interesting to diagnose and pinpoint further
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Korg KronosX/Pa4x/M3 • Ableton • Komplete 13 • Omnisphere • soundcloud.com/allandd

[fdc]