I think I broke the game

[slomoe]

i dont know if that is a bug or not, but I get the same. it lights up, the lights outside are dark. fuse/circuit box is not lit, and the lights outside are lit

Without giving too much away, when you hear the switching going on, that is when you have to go to the far hallway. If you are being attacked when you leave the room, then you have to stop the attackers from coming out of the walls.