atmospherics at mining magnet break repeatedly

[Rhydic]

for whatever reason that i haven't determined something causes the ore at the mining magnet to become superheated and then burn and melt everything that isn't bolted down as far away as the catwalks in front of the station entrance

the only thing i know is that it always happens when using a mineral accumulator and that it causes insane atmospheric readings

e.g.

Results:
Pressure: -45192.2 kPa
Nitrogen: 78%
Oxygen: 21%
CO2: 0%
Temperature: -1.99034e+07°C

Results:
Pressure: -nan kPa
Nitrogen: 62%
Oxygen: 44%
CO2: -7%
Temperature: -nan°C

please fix it its making mining magnet randomly unusable and completely incinerates all ore that has been harvested and is not already in a fabricator or reclaimer