AIRPLANE
OPERATIONS
MANUAL
HYDRAULIC
REVISION 30
2-11-05
Page
5
Code
01
EICAS MESSAGES
TYPE MESSAGE MEANING
CAUTION
HYD SYS 1 (2) FAIL Associated hydraulic system
is not pressurized (inhibited
when the airplane is on the
ground, engine is shut down
and parking brake is
applied).
HYD SYS 1 (2) OVHT Associated hydraulic system
fluid temperature is above
90°C.
E1 (2) HYD PUMP FAIL Engine-driven pump is not
generating pressure with
associated engine running.
E1 (2) HYDSOV CLSD Associated hydraulic shutoff
valve is closed.
ADVISORY HYD1 (2) LO QTY Fluid level in the associated
reservoir is below one liter.
Report to the maintenance
personnel if the hydraulic
reservoir operates empty.
HYD PUMP SELEC OFF Associated electric pump
selected OFF with the
parking brake released.
To Next Page
