The Metabolic Interchange CBM seems to power down every few turns on its own. At first I thought unlike in previous versions it would not just stop working when you’re to hungry but just switch it off, but it is also happening when the character is fully fed.
(Tiles version, win7)
EDIT:
I’ve just noticed that, at least sometimes, it seems to happen when the Power Storage is at max capacity. Since I’m using a MP3-Player with the UPS modification, that is really annoying. 