Repowering the plant | Treatment Plant Walkthrough Resident Evil Zero HD Guide
Last update: 02 February 2017
You start exploration of the treatment plant in the elevator (M6,1). Of course, you still play as Rebecca. Leave the elevator (M6,2) and watch the short cutscene that will inform you about the necessity of finding Billy in this part of the facility. Open another door and you will find yourself in the security room (M6,3). In this location you will also find supplies and typing machine which you can use - however, it isn't mandatory. Finally walk towards the large board with red lights turned on. Here you will have to solve a riddle about repowering the facility.
In order to solve this riddle you must press three correct red buttons so that all the points will light up in green. The order in which you should press the buttons can be seen on the picture above. The order is as follows:
1) sixth row, second button from the left
2) second row, second button from the left
3) sixth row, third button from the left