I don't understand your post.
Who used/tested the gear for a month?
A trusted friend.
I think it's a power or PSU problem, the miner log is showing an error on the PSU. I think it's "Primary Over Current" and your vo (voltage out) looks to be 2.
How are you plugging them in (your infrastructure)?
I have a trifasical transformer, then bifasical to 60amp circuit breakers with a 16mm each wire and i weld 7 15amp cables and the machines (I use 7 s9 or 4 t17 in this setup) . I plugged then close to my s9s/t17s/T2T with 15 amp cables and tryed in my office inside the farm witch is another setup and the problem is the same.