This popped up and reminded me strangely of a story post a month ago here:
https://lobste.rs/s/ygjo0g/i_think_military_commissary_freezers
And, lo and behold, the very same controller supplier is mentioned in both the earlier US article and the one covering this by french newspaper Le Monde: the danish company Danfoss. I could not find sources mentioning the supplier in English.