One of my RX580 is not submitting any share since a while ago. It's working all fine before this and one day I found that after whole day running it submit no share at all. Put into different rig also same. It's still hashing at 30.9 and claymore still fetches new job but this RX580 is just not submitting any share. What could be the problems?
Sometimes mining pools reports hashing on delays
What pools are you using?
how long did your miner runs?
check also if you are looking a correct wallet/username/miner

yes sir, nanopool. been trying numerous time with no luck. it suddenly stop working. i even copy the batch file from the one working to it still the same. it says incorrect share and ask me do not oc it too much even after I've revert back to the ori rom with no oc at all.
Edit : I let it run overnight 8 hours. no share from nanopool, on claymore submitted share is 0