And temps running to 101c! Have you disengaged autoshutoff?
You are seeing chip temps there, not PCB temps. I have PCB cutoff at 90C and chip cutoff at 110C. Miner is in 30-35C ambient air. Fully air cooled, fans set manually to 100% duty cycle. Notice HW% is 0.0000%
https://i.stack.imgur.com/mnnUa.png