That's odd, there shouldn't be any normal case where the fuel count gets below 0. Did you happen to prime the reactors by manually putting in fuel? As another possibility, was your factory low on power when you started up this plant? You can restore it to normal behavior by undoing your change to t...

Very nice! This didn't work for me because the 3rd Decider from top left which checks if the reactors are empty was expecting input "0" but was receiving "-4" from the four empty reactors. Everything works after I changed that Decider to "< 0". I don't know if the bluep...