A4mk2 Randonly stops when slaved to a midi clock

Anyone else had this problem with any of the Elektrons? Currently I can’t have the A4 receive midi clock and transport without randomly stopping after a few minutes, originally I had the A4 first in the chain, sending to Rytm, OT etc and it would stop, it’s now last in the chain and again it still happens. It’s nothing to do with song mode or anything like that, its very random, sometimes it will sync and play for 10 minutes, sometimes for 1 min but it will always stop at some stage while everything else keeps running. No such issues with any of the other Elektron gear or anything else’s sync.