How about the kernel log? could you post it here or post it here
https://pastebin.com/ and share it here
So that we can check your miner issue.
According to your dashboard status I don't see any issue about your miner and it's running fine.
The correct board is here
https://bitcointalk.org/index.php?board=40.0 You can get more answer by moving this thread to mining support.