What pool do you mine?
It maybe the pool server is recently down?
It would be better if you check the logs of your unit and post the logs here and maybe you can get more idea what the cause of this problem.
Sometimes high spike of hardware error is cause by overheating issue.
I mine with Braiins Pool
the pool server was not down. during the 8 hours my miner was down last night, the pool found two blocks
how do I check the logs? I looked at the dashboard, and the closest thing I found was something called "raw stats"
I was thinking it was an overheating issue too when it got knocked offline yesterday too. it was a hot day, and the house got up to 82 degrees. but last night, the AC was running, and i bring the house down to 72degrees.