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may then be re-activated again.
Applicable to:
DUAL LATCH
Both FMGCs are inoperative. ‐ FM and FG capability are lost.
‐ Both NDs display “MAP NOT AVAILABLE”. Navaid tuning is not performed.
‐ AP/FD, A/THR are lost.
‐ FMGC (TIME OUT) subsystem page is displayed on both MCDUs.
‐ The following messages are displayed on the ECAM:
“CAB PR LDG ELEV FAULT”
“AUTO FLT AP OFF”, if AP was engaged
“AUTO FLT A/THR OFF”, if A/THR was engaged.
PROCEDURE
FLY raw data.
TUNE necessary navaids using the RMPs.
PERFORM a manual reset of both FMGCs.
Note: A recovery will result in the loss of all pilot-entered data.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
AUTO FLIGHT - FMGS RESET AND OTHER ABNORMAL PROCEDURES
A318/A319/A320/A321 FLEET PRO-SUP-22-10 P 14/28
FCOM 19 AUG 10
Note for all FMGS automatic resets
‐ A single or double FM auto-reset does not affect an ILS approach below 700 ft AGL. ILS
frequency is locked and AP/FDs remain engaged.
‐ Above 700 ft , the loss of ILS tuning due to a dual reset will cause a loss of LOC and G/S, and
the disengagement of APs and FDs.
‐ During a non ILS approach, if the master FMGC fails, AP/FD and managed modes are lost
and FDs engage in basic modes.
Applicable to:
,
,
MSN,,,
4617,
DUAL LATCH
‐ Both FMGCs are inoperative. FM and FG capability are lost.
‐ Both NDs display “MAP NOT AVAILABLE”. Navaid tuning is not performed.
‐ AP/FD, A/THR are lost.
FMGC (TIME OUT) subsystem page ‐ is displayed on both MCDUs.
‐ The following messages are displayed on the ECAM:
“CAB PR LDG ELEV FAULT”
“AUTO FLT AP OFF”, if AP was engaged
“AUTO FLT A/THR OFF”, if A/THR was engaged.
PROCEDURE
FLY raw data.
TUNE necessary navaids using the RMPs.
PERFORM a manual reset of both FMGCs.
If successful, refer to dual reset with loss of data and auto recovery:
Note: A recovery will result in the loss of all pilot-entered data.
If unsuccessful:
FLY raw data.
Select the NAV B/UP prompt on both MCDU DATA pages.
(Refer to 99 Duref Cible FCOM HOW TO USE, concerning navigation backup operation).
SET the landing elevation of the destination on the overhead panel.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
AUTO FLIGHT - FMGS RESET AND OTHER ABNORMAL PROCEDURES
A318/A319/A320/A321 FLEET PRO-SUP-22-10 P 15/28
FCOM 19 AUG 10
Note for all FMGS automatic resets
‐ A single or double FM auto-reset does not affect an ILS approach below 700 ft AGL. ILS
frequency is locked and AP/FDs remain engaged.
‐ Above 700 ft , the loss of ILS tuning due to a dual reset will cause a loss of LOC and G/S, and
the disengagement of APs and FDs.
‐ During a non ILS approach, if the master FMGC fails, AP/FD and managed modes are lost
and FDs engage in basic modes.
MANUAL FMGS RESET
Applicable to: ALL
GENERAL
On rare occasions, the FMGC may require manual resetting.
If this occurs in flight, reset one FMGC at a time.
Applicable to:
MANUAL RESET OF ONE FMGC
‐ Before resetting FMGC 1 (or 2), SWITCH OFF FD 1 (or 2).
After applying external power or APU generator power, wait 2 min before resetting the FMGC
circuit breakers.
‐ Pull the CB of the affected FMGC and reset it after 5 s. The FMGC circuit breakers are:
• AUTO FLT/FMGC 1 B2 ON 49 VU,
• AUTO FLT/FMGC 2 M17 ON 121 VU
CAUTION Always wait 1 min after the “PLEASE WAIT” message disappears from the MCDU,
before engaging or reengaging the FDs and the AP of the reset FMGC.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
AUTO FLIGHT - FMGS RESET AND OTHER ABNORMAL PROCEDURES
A318/A319/A320/A321 FLEET PRO-SUP-22-10 P 16/28
FCOM 19 AUG 10
Applicable to:
,
,
MSN,,
4538,,
MANUAL RESET OF ONE FMGC
Before resetting FMGC 1 (or ‐ 2), SWITCH OFF FD 1 (or 2).
After applying external power or APU generator power, wait 2 min before resetting the FMGC
circuit breakers.
‐ Pull the CB of the affected FMGC and reset it after 5 s. The FMGC circuit breakers are:
• AUTO FLT/FMGC 1 B2 ON 49 VU,
• AUTO FLT/FMGC 2 M17 ON 121 VU
Applicable to: ALL
MANUAL RESET OF BOTH FMGCS
When the aircraft is on ground with the engines stopped, the flight crew may attempt a double and
simultaneous CB reset when a single CB reset has failed.
Apply the above-mentioned procedure to both FMGCs.
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 14(61)
