Boeing 787-8 - Page 678

787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Electrical -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
6.10.10 D615Z003-TBC
Main Bus Synoptic Indications
Symbol Condition Description
Bus on (green) L1,L2,R1,R2 bus is powered.
Bus off (amber) L1,L2,R1,R2 bus is not powered.
Note: If the bus is unpowered because of a
fault, EICAS caution message
ELEC AC BUS L1,L2,R1,R2
shows.
Bus data invalid
(white, low intensity)
Bus condition unknown.
L1 MAIN
L1 MAIN
L1 MAIN
August 14, 2009