I have been mining since March with pretty much error free running until last week. I started to get an error (err) on the fan % in the box that has the temp fan% and hashrate.
I’ll give that a try. I have been adjusting the OC settings whilst the trouble has been going on in the last week. I thought I’d cracked it a couple of days ago when I got 24 hours out of it but then, to my dismay, it had gone down again Thursday morning.