曝光台 注意防骗
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in ILS dual coupled
mode.
None; switchover is automatic.
NZ 1-2 FAIL Indicated navigation
computer has failed.
Check appropriate CB:
• NAV CMPTER #1: Copilot’s
Aft Panel, D-8
• NAV CMPTER #2: Copilot’s
Aft Panel, E-8
Associated FMS CDU will be
blank or will display PERF
INDEX.
L-R OIL FILT BPASS Engine oil filter has
clogged.
Monitor engine oil pressure. If
pressure falls below limits,
proceed with engine shutdown
procedure in Section 05-10-10,
Engine Failure / Shutdown In
Flight.
PERF 1-2 FAIL Indicated performance
computer has failed.
Check appropriate CB:
• PERF #1: Copilot’s Overhead
Panel, C-11
• PERF #2: Copilot’s Overhead
Panel, D-11
Performance information and
autothrottle computer will not be
available.
PROG MSG 1-2 FAIL
(SPZ-8400 Equipped
Airplanes)
Programmable
Message Modules have
failed.
Notify maintenance for
corrective action.
PROG MSG 1-2
MISMATCH
(SPZ-8400 Equipped
Airplanes)
Programmable
Message Modules do
not contain same
messages.
Notify maintenance for
corrective action.
RAD ALT 1-2 FAIL Indicated Radar
Altimeter has failed.
Select opposite radar altimeter.
RECENTER TURN
KNOB
Turn knob is not
centered; autopilot
cannot be engaged.
Recenter turn knob.
RUDDER LIMIT Rudder actuator torque
limiter is in operation.
No action required.
OPERATING MANUAL
04-04-00 MESSAGES AND ANNUNCIATIONS PROCEDURES
Page 8
May 30/02
Revision 7
CAS Message: Possible Cause(s): Corrective Action:
RUDDER STRG OFF With ASC 302A
incorporated, HAND
WHEEL ONLY mode is
selected on nose wheel
steering control panel.
None required if this is desired
mode. If not, select NORMAL
mode.
SELECT INHIBIT An attempt has been
made to manually
select an invalid FGC.
Determine cause of FGC fault.
SERVICE DOORS One or both of the
following service doors
is open.
• Tail Compartment
Access Door
• Refuel Compartment
Access Door
(airplanes SN 1156
and subsequent)
Close service doors.
SG 1-2-3 FAIL Indicated Symbol
Generator (SG) has
failed.
(1) Select affected SYMBOL
GENERATOR CONTROL
switch to ALT.
(2) Momentarily select a
different mode on the
Navigation Display.
See Section 05-18-20, Symbol
Generator Failure.
SG 1-2-3 HOT Indicated SG is hot. (1) Check avionics rack
ventilation.
(2) Select affected SYMBOL
GENERATOR CONTROL
switch to ALT.
(3) Pull hot SG CB:
• SYM GEN #1: Copilot’s
Aft Panel, K-3
• SYM GEN #2: Copilot’s
Aft Panel, L-3
• SYM GEN #3: Copilot’s
Aft Panel, M-3
SPD BRAKE EXTNDED Speed brakes are
extended.
Retract speed brakes.
SPD BRAKE SWITCH FWC and FGC disagree
on position of speed
brakes.
Check adjustment of speed
brake extended signal to FWC
and FGC at next maintenance
opportunity.
T & L > 80% FULL
(Added by ASC 415 for
SPZ-8000 equipped
airplanes.)
FWC memory is greater
than 80% full.
Download and erase FWC
memory at next convenient
maintenance period.
TCAS FAIL Traffic Alert and
Collision Avoidance
System (TCAS) has
failed.
(1) Check TCAS circuit
breaker.
(2) Verify transponder and
altitude reporting is
selected ON.
OPERATING MANUAL
MESSAGES AND ANNUNCIATIONS PROCEDURES 04-04-00
Page 9
May 30/02
Revision 7
CAS Message: Possible Cause(s): Corrective Action:
TERRAIN NOT AVAIL Terrain awareness is
not available.
(1) Verify TERR INHIB switch
is selected ON.
(2) Check circuit breakers:
• EGPWS AC: CP, D-10
• EGPWS DC: CP, E-10
(3) Verify at least one (1) radio
altimeter is available.
TONE GEN FAIL Aural warning tone
generator has failed.
Check CBs; reset if required:
• TONE WARN #1: Pilot’s Aft
Panel, A-5
• TONE WARN #2: Pilot’s Aft
Panel, B-5
If problem is not resolved,
proceed with flight. No aural
tones will be available.
TONE GEN 1-2 FAIL
(SPZ-8400 Equipped
Airplanes)
VHF COMM 1-2-3 FAIL Indicated VHF
communications radio
has failed.
Check status of VHF radio.
VNAV TRACK
CHANGE
VNAV track change will
commence in one (1)
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湾流4操作手册 Gulfstream IV Operating Manual 3(62)
