I have seen a lot of weird stats screen on malfunctioning Antminers
![Cheesy](https://bitcointalk.org/Smileys/default/cheesy.gif)
, but i have never seen a negative value on hardware errors
Rebooted it just because it weirded me out, all is normal now.
![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FZWwvT8f.png&t=663&c=RP5kwGjDfXhWdQ)
Has anyone seen this before? This is a batch 9 S7. What the heck does it mean
![Huh](https://bitcointalk.org/Smileys/default/huh.gif)
this is the second time it has happened to me.
It seems to happen around 20+ day mark. Something internal is off with the equation if you have low HW errors and run it for around a month... it ends up being negative. I first posted it with my S5+ (first one I ran for those long times). And it could be counted on hitting it before a month each time.
So not really a big deal. It does make the equation seem a little shady to have negative as a possibility. But with a miner that runs for a month without issue it's honestly hard to be mad.