Scuffers, folks are trying to fill in the blanks about something that makes little sense.
The part that gets the head scratching is
If all lights and displays were working as advertised, how does one miss the information?
What distraction, or potential "glitch," led to someone believing that the system was in state "X" when it was really in state "Y" and thus engines rolled off?
The other head scratcher seems to be: why were prime pumps switches on and not the transfer pump switches?
Given that when one switches the pumps on or off, an indication on the display is the normal companion ...
Wageslave: point taken, and agreed, however pedantic.