ROOF ANNUNCIATOR
PANELS
There are four groupings of annunciators on
the roof panel plus the engine fire lights. Under
the appropriate heading, the annunciators,
their colors, and causes for illumination are
given in Tables 4-2, 4-3, 4-4, 4-5, and 4-6.
Revision 1.02
4-3
FOR TRAINING PURPOSES ONLY
HAWKER 800 XP
PILOT TRAINING MANUAL
FlightSafety
international
Table 4-1. CENTER ANNUNCIATOR PANEL (Cont)
Annunciator
Cause for Illumination
Pressure from the indicated hy-
draulic pump is 1,500 psi or less.
The main hydraulic system has
overheated.
The indicated main bleed-air valve
is not in the selected position (time
delay of 50 seconds) or the valve
is open while the airplane is on
the ground.
The auxiliary hydraulic tank is not
full.
Steady light indicates the associ-
ated engine fuel computer has
failed or the switch is in the OFF
or OVSD PROT position
The emergency brake accumula-
tor pressure is 2,250 psi or less.
The indicated engine’s air is not
available for anti-icing.
Annunciator
Cause for Illumination
An annunciator on the ICE PRO-
T E C T I O N r o o f p a n e l i s i l l u m i -
nated.
An annunciator on either DC or
AC power roof panels is illumi-
nated.
A fuel roof panel annunciator is
illuminated.
An overheat condition exists in
the air-conditioning ducts.
The entry door is not properly se-
cured.
The APU master switch is in the
ON position.
One or both rudder bias switches
are in the OFF position.
An engine ice protection system is
selected.
The WING FUEL XFD/TFR or AUX
FUEL TFR light on the roof panel
is illuminated.
An annunciator on the left or right
stall identification panel is illuminated.
Annunciator
Cause for Illumination
Indicated windshield has reached
the overheat limit.
Indicated engine-driven alternator
has failed.
Table 4-2. ICE PROTECTION
HYD 1
LO PRESS
HYD 2
LO PRESS
HYD OVHT
MAIN AIR
VALVE 1
MAIN AIR
VALVE 2
AUX HYD
LO LEVEL
ENG 1
CMPTER
ENG 2
CMPTER
EMER BRK
LO PRESS
ENG 1
A/ICE
ENG 2
A/ICE
ENT DOOR
UNLOCKED
APU MSTR
ON
RUDDER
BIAS
ICE PROT
SELECTED
STALL
INDENT
L SCREEN
OVHT
R SCREEN
OVHT
ALTR 1
FAIL
ALTR 2
FAIL
ICE
PROT
ELECT
FUEL
DUCT
OVHT
FUEL
XFD/TFR
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