any mod to miner airflow (removed lid etc etc) ?
what's your env temp?
what are ASIC slot temps reported by web interface?
no - original fans, without any modifications, top cover on (default "from the box" setup)
~21℃
ASIC slot #1: 53.5 ℃
ASIC slot #2: 54.5 ℃
ASIC slot #3: 55.5 ℃
ASIC slot #4: 51.0 ℃