ABNORMAL AND 02.

01A
A318/A319/A320/A321 EMERGENCY PROCEDURES
QUICK REFERENCE HANDBOOK 16 NOV 22

SYSTEM RESET - GENERAL

WARNING Only perform one reset at a time, unless indicated differently.

Guidelines to reset a system:

‐ Set the related normal cockpit control to OFF, or pull the corresponding circuit breaker,
‐ Wait 3 s if a normal cockpit control is used, or 5 s if a circuit breaker is used (unless a different time is
indicated),
‐ Set the related normal cockpit control to ON, or push the corresponding circuit breaker,
‐ Wait 3 s for the end of the reset.
 On ground:
Reset ECU (CFM) or EEC (IAE) or EIU only when engine shut down.
Reset BSCU only when aircraft stopped.
Reset ELAC or SEC only when listed in the System Reset Table.
Other Systems not listed in the System Reset Table can be reset following the guidelines described
above.
Refer to System Reset Table.
 In flight:

WARNING The flight crew can attempt a system reset only when:
‐ An ECAM/OEB/FCOM/QRH procedure requests to reset the
system, or
‐ The System Reset Table permits.

CAUTION Do not pull the following circuit breakers:

‐ SFCC
‐ ECU or EEC or EIU.
Note: Before taking any action on the cockpit C/Bs, both the PF and PM must crosscheck and
ensure that the C/B label corresponds to the affected system.
Refer to System Reset Table.

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 ABNORMAL AND 02.02A
A318/A319/A320/A321 EMERGENCY PROCEDURES
QUICK REFERENCE HANDBOOK 16 NOV 22

SYSTEM RESET TABLE

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
A-ICE ANTI ICE L(R)
On ground only:
WINDSHIELD (WINDOW)
(WHC) If the air conditioning packs are OFF with the OAT above 40 °C, and/or the
windshield is under direct sunlight, a spurious ANTI ICE L(R) WINDSHIELD
(WINDOW) alert may trigger. In this case, apply the following reset procedure:
‐ Set both PACKS to ON
‐ Wait 5 min
‐ Pull the C/B X13 on 122VU (WHC1), or W13 on 122VU (WHC2)
‐ Push it after 5 s.

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A318/A319/A320/A321 EMERGENCY PROCEDURES
QUICK REFERENCE HANDBOOK 16 NOV 22

Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
AIR ENG 1(2) BLEED
FAULT or CAUTION If the BLEED NOT CLOSED subtitle is
AIR ENG 1(2) BLEED
ABNORM PR displayed in the AIR ENG 1(2) BLEED
(Engine Bleed Supply FAULT alert, do not reset the affected
System)
ENG BLEED.
Note: Do not attempt more than one reset. However, if the first reset is
unsuccessful and if the AIR ENG 1(2) BLEED FAULT alert occurred
after takeoff with APU bleed ON, a second reset may be attempted
when flight conditions permit and when the aircraft is stabilized in level
flight.

On ground or in flight:
If the PACK (non-affected side) is operative, and If the Wing Anti-Ice is OFF:
‐ Set ENG BLEED pb-sw (affected side) to OFF
▪ If ENG BLEED pb-sw FAULT light (affected side) is on:
‐ Delay application of the reset until FAULT light extinguishes.
▪ If ENG BLEED pb-sw FAULT light (affected side) is off:
‐ Set X BLEED selector to AUTO
‐ Set PACK pb-sw (affected side) to ON
‐ Set ENG BLEED pb-sw (affected side) to ON
‐ Check that the affected Engine Bleed Valve is open on the BLEED SD
page.
AIR • If AIR ENG (AFFECTED) BLEED FAULT alert or AIR ENG
(AFFECTED) BLEED ABNORM PR alert reoccur, or
If Engine Bleed Valve (affected side) is not open on the BLEED SD
page:
- Set ENG BLEED pb-sw(affected side) to OFF
- Set X BLEED selector to OPEN.

Note: Record the ENG BLEED reset in the logbook (successful or

unsuccessful).

AIR ENG 1(2) BLEED NOT

CLSD Note: Do not attempt more than one reset.
(Engine Bleed Supply
On ground only:
System)
‐ Set ENG BLEED pb-sw (affected side) to OFF
▪ If ENG BLEED pb-sw FAULT light (affected side) is on:
‐ Delay application of the reset until FAULT light extinguishes.
▪ If ENG BLEED pb-sw FAULT light (affected side) is off:
‐ Set ENG BLEED pb-sw (affected side) to ON.

‐ Check that the affected Engine Bleed Valve is closed on the BLEED SD page.

Note: Record the ENG BLEED reset in the logbook (successful or

unsuccessful).

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A318/A319/A320/A321 EMERGENCY PROCEDURES
QUICK REFERENCE HANDBOOK 16 NOV 22

Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
1
AUTO FLT A/THR OFF
On ground, before taxi only:
• If no engine running:
‐ Press FCU A/THR pb in order to re-engage the A/THR (this will cancel the
ECAM alert)
‐ Press A/THR instinctive disconnect pb to disconnect A/THR.
• If at least one engine is running:
‐ Apply external power or APU generator power
‐ ENG MASTER (running engine(s))…………………………...OFF
‐ Press FCU A/THR pb in order to re-engage the A/THR (this will cancel the
ECAM alert)
‐ Press A/THR instinctive disconnect pb to disconnect A/THR.

AUTO FLT FCU 1(2) FAULT

In flight:
(FCU)
‐ Pull the C/B B05 on 49VU for FCU 1, or M21 on 121VU for FCU 2
‐ Push it after 5 s
‐ Check the displayed targets and the barometer reference, and correct them if
necessary.
On ground:
‐ Pull the C/B B05 on 49VU for FCU 1, or M21 on 121VU for FCU 2
‐ Push it after 5 s
‐ If AUTO FLT FCU 1(2) FAULT disappears, check the displayed targets and
barometer reference, and correct them if necessary (RESET successful)
‐ If AUTO FLT FCU 1(2) FAULT remains, pull both C/B B05 on 49VU and M21 on
121VU
‐ Push them after 7 min, with a delay of less than 5 s between side 1 and 2
‐ Wait at least 30 s for FCU 1 and FCU 2 safety tests completion
AUTO FLT ‐ Check the displayed targets and barometer reference, and correct them if
necessary (RESET successful).

AUTO FLT FCU 1 + 2

In flight:
FAULT
(FCU) ‐ Pull the C/B B05 on 49VU for FCU 1, and then pull M21 on 121VU for FCU 2
‐ Push them after 5 s
‐ Check the displayed targets and the barometer reference, and correct them if
necessary.
On ground:
‐ Pull the C/B B05 on 49VU for FCU 1, and then pull M21 on 121VU for FCU 2
‐ Push the C/Bs after 5 s
‐ If AUTO FLT FCU 1+2 FAULT disappears, check the displayed targets and
barometer reference, and correct them if necessary (RESET successful)
‐ If AUTO FLT FCU 1+2 FAULT remains, pull again both C/B B05 on 49VU and
M21 on 121VU
‐ Push them after 7 min, with a delay of less than 5 s between side 1 and 2
‐ Wait at least 30 s for FCU 1 and FCU 2 safety tests completion
‐ Check the displayed targets and barometer reference, and correct them if
necessary (RESET successful).
FCU targets are synchronized on current aircraft values and displayed as selected
targets.
‐ Re–enter the barometer altimeter setting value, if necessary.

AUTO FLT YAW DAMPER

In flight:
1(2)
(FAC 1(2)) If AP is inoperative:
‐ Set FAC 1(2) pb to OFF
‐ Wait 3 s
‐ Set FAC 1(2) pb to ON.

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A318/A319/A320/A321 EMERGENCY PROCEDURES
QUICK REFERENCE HANDBOOK 16 NOV 22

Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
CAT 3 DUAL displayed in
On ground, or in flight:
INOP SYS without any other
ECAM alert
Note: If the CAT 3 DUAL INOP SYS is associated with another ECAM
(FAC)
message (in particular ADR FAULT or IR FAULT), it means that
the root cause is not an ADR or IR rejection by FAC or FMGC.
Consequently, change of AP or FAC reset will not clear the CAT 3
DUAL INOP.

If CAT 3 DUAL is displayed in INOP SYS without any other failure being
detected:
‐ Change the AP in command.
If unsuccessful:
‐ Set FAC 1 pb to OFF
‐ Wait 3 s
‐ Set FAC 1 pb to ON.
Wait for AUTO FLT FAC 1 FAULT to disappear, and:
‐ Set FAC 2 pb to OFF
‐ Wait 3 s
‐ Set FAC 2 pb to ON.

One MCDU locked or blank

On ground, or in flight:
(MCDU)
‐ Pull the C/B for the locked or blank MCDU and push it back after 10 s.
The circuit breakers for the MCDUs are:
• AUTO FLT/MCDU 1 B1 ON 49 VU (Overhead Panel)
• AUTO FLT/MCDU 2 N20 ON 121 VU (Right Rear Maintenance Panel)
• AUTO FLT/MCDU 3 N21 ON 121 VU (Right Rear Maintenance Panel).

Both MCDU locked or blank

The circuit breakers for the FMGCs are:
or FMGC malfunction
• AUTO FLT/FMGC 1 B2 ON 49 VU (Overhead Panel)
(FMGC)
• AUTO FLT/FMGC 2 M17 ON 121 VU (Right Rear Maintenance Panel).
Short FMGC Reset:
On ground:
• If no engine running:
‐ Apply external power or APU generator power
‐ Wait 2 min before resetting the FMGC circuit breakers
‐ Set FD 1(2) pb to OFF
‐ Pull the C/B of the affected FMGC
‐ Wait 10 s
‐ Push the C/B of the affected FMGC.

CAUTION Always wait 1 min after the reset,

before engaging or reengaging the FD
and the AP of the reset FMGC.
• If engines running:
‐ Set FD 1(2) pb to OFF
‐ Pull the C/B of the affected FMGC
‐ Wait 10 s
‐ Push the C/B of the affected FMGC

CAUTION Always wait 1 min after the reset,

before engaging or reengaging the
FD and the AP of the reset FMGC.
• If FMGC reset is unsuccessful:
‐ Consider FMGC reset with engines not running.

Note: The FMGC reset is more effective with engines not running.

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QUICK REFERENCE HANDBOOK 16 NOV 22

Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
In flight:
‐ Set non-affected AP 2(1) pb to ON
‐ Set FD 1(2) pb to OFF
‐ Pull the C/B of the affected FMGC
‐ Wait 10 s
‐ Push the C/B of the affected FMGC.

CAUTION Always wait 1 min after the reset,

before engaging or reengaging the FD
and the AP of the reset FMGC.
Long FMGC Reset:
On ground:
• If no engine running:
‐ Apply external power or APU generator power
‐ Wait 2 min before resetting the FMGC circuit breakers
‐ Set FD 1(2) pb to OFF
‐ Pull the C/B of the affected FMGC
‐ Wait 15 min
‐ Push the C/B of the affected FMGC.

CAUTION Always wait 1 min after the reset,

before engaging or reengaging the FD
and the AP of the reset FMGC.
• If engines running:
‐ Set FD 1(2) pb to OFF
‐ Pull the C/B of the affected FMGC
‐ Wait 15 min
‐ Push the C/B of the affected FMGC.

CAUTION Always wait 1 min after the reset,

before engaging or reengaging the
FD and the AP of the reset FMGC.
• If FMGC reset is unsuccessful:
‐ Consider FMGC reset with engines not running.

Note: The FMGC reset is more effective with engines not running.

In flight:
‐ Set non-affected AP 2(1) pb to ON
‐ Set FD 1(2) pb to OFF
‐ Pull the C/B of the affected FMGC
‐ Wait 15 min
‐ Push the C/B of the affected FMGC.

CAUTION Always wait 1 min after the reset,

before engaging or reengaging the FD
and the AP of the reset FMGC.
Note: Consider a long FMGC reset only if a short FMGC reset has no
effect.

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A318/A319/A320/A321 EMERGENCY PROCEDURES
QUICK REFERENCE HANDBOOK 16 NOV 22

Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
BRAKES SYS 1(2) FAULT
On ground:
or
BRAKES BSCU CH 1(2) ‐ STOP aircraft
FAULT ‐ Set PARK BRK handle to ON
(BSCU) ‐ Confirm that towing bar is disconnected
‐ Set A/SKID & N/W STRG sw to OFF
‐ Set A/SKID & N/W STRG sw to ON.
• IF UNSUCCESSFUL:
‐ Pull C/Bs M33 and M34 on 121VU for BSCU channel 1
‐ Pull C/Bs M36 and M35 on 121VU for BSCU channel 2
‐ Push C/Bs.

After a successful reset, resume to normal operation.

BRAKES
Note: After any BSCU reset:
1. Check brake efficiency
2. Record BSCU reset in the logbook.

In flight:
When landing gear is up only:
‐ Set A/SKID & N/W STRG sw to OFF
‐ Set A/SKID & N/W STRG sw to ON
‐ If required, rearm the autobrake.
When landing gear is down: reset not authorized.

Note: After any BSCU reset:

‐ Record BSCU reset in the logbook.

COM CIDS 1+2 FAULT

On ground:
(CIDS)
‐ Pull C/Bs in the following order:
G01 on 49VU, P13  , M05 on 121VU
G02 on 49VU, P14  , M06 on 121VU
‐ Wait 10 s
‐ Push C/Bs in the following order: G01, G02
‐ Wait 5 min
‐ Push C/Bs in the following order: M05, M06, P13  , P14 
‐ After CIDS reset, wait approximately 4 min before recovering normal operation.
COM
In flight:
‐ Pull C/Bs in the following order:
G01 on 49VU, P13  , M05 on 121VU
G02 on 49VU, P14  , M06 on 121VU
‐ Wait 10 s
‐ Push C/Bs in the following order: G01, G02
‐ Wait 10 s
‐ Push C/Bs in the following order: M05, M06, P13  , P14 
‐ After CIDS reset, wait approximately 4 min before recovering normal operation.

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QUICK REFERENCE HANDBOOK 16 NOV 22

Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
Uncommanded EVAC horn
On ground, or in flight:
activation 
(CIDS) ‐ Press EVAC HORN SHUT OFF pb
‐ Set EVAC CAPT & PURS/CAPT sw to CAPT position only
‐ Wait 3 s.
• IF UNSUCCESSFUL:
‐ Pull C/Bs for DIR 2 in the following order: G02 on 49VU, P14  , M06 on
121VU.
COM
• IF UNSUCCESSFUL
‐ Pull C/Bs for DIR 1 in the following order: G01 on 49VU, P13  , M05
on 121VU
‐ Wait for 1 min
‐ Push C/Bs for DIR 2 in the following order: M06, P14  , G02
‐ After CIDS reset, wait approximately 4 min before recovering normal
operation.

Frozen/blank RMP
On ground, or in flight:
display (RMP)
Flight crew must reset all RMPs one after the other via RMP control panel:
COM ‐ Set RMP ON/OFF sw to OFF position
‐ Wait 5 s
‐ Set RMP ON/OFF sw to ON position.

FAP freezing
On ground, or in flight:
(FAP or Tape
reproducer/PRAM) ‐ Pull FAP C/B M14 (or Q14  ) in 121VU
‐ Wait 10 s
‐ Push C/B M14 (or Q14  ).
COM
• IF UNSUCCESSFUL:
‐ Pull tape reproducer/PRAM C/B D01 or E01 or F07 on 2000VU (cabin)
‐ Wait 10 s
‐ Push C/B D01 or E01 or F07.

Failure messages on CIDS

On ground, or in flight:
FAP in the cabin
COM (VSC) ‐ Pull C/B A06 or B06 on 2001VU (aft cabin)
‐ Wait 30 s
‐ Push C/B A06 or B06.

SATCOM  malfunction On ground, or in flight:

(SATCOM  )
‐ Pull SATCOM C/B K01 on 121VU
‐ Wait 5 s
COM ‐ Push SATCOM C/B K01on 121VU.

Note: ‐ SDUshould reset in less than 2 min

‐ The flight crew cannot perform software reset for SATCOM via
MCDU.

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QUICK REFERENCE HANDBOOK 16 NOV 22

Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
ATSU  The ATSU reset should be attempted, only if:
‐ INVALID DATA is displayed on the DCDU, or
‐ Key selection has no effect on the DCDU or any of the MCDU ATSU DATALINK
submenus, or
‐ ADS-C, CPDLC or AOC are inoperative.
On ground or in flight:
‐ Pull the C/Bs in the following order: L16, L15 on 121VU
‐ Wait 5 s, then
‐ Push the C/Bs in the following order: L15, L16.
When the ATSU is reset, the following connections are no longer active:
‐ CPDLC:
• The flight crew should send a notification to the ATC center to re-establish
the CPDLC connection.
‐ ADS-C:
• The flight crew must check that ADS-C is ARMED or ON.
DATALINK
• The flight crew should contact the ATC center by voice to re-establish the
ADS-C connection.

Note: As no ADS-C disconnect message is sent, the ATC center(s)

consider that the ADS-C connection is still alive.

CINS  If there is a malfunction of the CINS and if the reset by the cabin crew is
unsuccessful, the flight crew can attempt to reset the system using the CINS
RESET pb on the panel 45VU on the overhead panel.

Note: The CINS reset may take up to 10 min.

DATALINK ATC FAULT or

On ground or in flight:
DATALINK COMPANY
FAULT or ‐ Pull the COM / VHF3 C/B L05 on 121VU
COM VHF 3 DATA FAULT ‐ Wait 5 s
(VHF3  ) ‐ Push the COM / VHF3 C/B L05 on 121VU.

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Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
F/CTL ELAC 1 PITCH
In flight:
FAULT
(ELAC) ‐ Not authorized.
On ground:

CAUTION ‐ Do not reset ELAC in case of dispatch

with MMEL item SEC 1 or SEC 2.
‐ Do not attempt more than one reset.
‐ Set ELAC 2 pb-sw to OFF
‐ Set pitch trim to 5 UP position
‐ Set ELAC 1 pb-sw to OFF
‐ Wait 3 s
‐ Set ELAC 1 pb-sw to On
‐ After 15 s, check pitch trim at 0 position
‐ Perform a flight control check
‐ Set ELAC 2 pb-sw to On
‐ Set pitch trim to takeoff CG

Note: Record the ELAC 1 reset in the logbook (successful or unsuccessful).

F/CTL ELAC 2 PITCH

In flight:
FAULT
(ELAC) ‐ Not authorized.
On ground:

CAUTION ‐ Do not reset ELAC in case of dispatch

with MMEL item ELAC 1, SEC 1 or
SEC 2.
F/CTL ‐ Do not attempt more than one reset.
‐ Set ELAC 1 pb-sw to OFF
‐ Set pitch trim to 5 UP position
‐ Set ELAC 2 pb-sw to OFF
‐ Wait 3 s
‐ Set ELAC 2 pb-sw to On
‐ After 15 s, check pitch trim at 0 position
‐ Perform a flight control check
‐ Set ELAC 1 pb-sw to On
‐ Set pitch trim to takeoff CG

Note: Record the ELAC 2 reset in the logbook (successful or unsuccessful).

F/CTL AIL SERVO FAULT

In flight:
(ELAC)
‐ Not authorized.
On ground:

CAUTION ‐ Do not reset ELAC if more than one

aileron actuator indication box is
displayed in amber on the F/CTL SD
page.
‐ Do not reset ELAC in case of dispatch
with MMEL item ELAC 1, SEC 1, SEC
2 or SEC 3.
‐ Do not attempt more than one reset.
‐ Set ELAC 1 pb-sw to OFF

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Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
‐ Set ELAC 2 pb-sw to OFF
‐ Wait 3 s
‐ Set ELAC 2 pb-sw to On
‐ Perform a flight control check
‐ Set ELAC 2 pb-sw to OFF
‐ Set ELAC 1 pb-sw to On
‐ Perform a flight control check
‐ Set ELAC 2 pb-sw to On
‐ Set pitch trim to takeoff CG

Note: Record the ELAC 1 and ELAC 2 resets in the logbook (successful or
unsuccessful).

F/CTL SPLR FAULT

In flight:
(SEC)
‐ Not authorized.
On ground:

CAUTION ‐ Do not reset SEC in case of dispatch

with MMEL item ELAC 1, SEC 1, SEC
2 or SEC 3.
‐ Do not attempt more than one reset.
‐ Set SEC 1 pb-sw to OFF
‐ Wait 3 s
‐ Set SEC 1 pb-sw to On
‐ Set SEC 2 pb-sw to OFF
‐ Wait 3 s
‐ Set SEC 2 pb-sw to On
‐ Set SEC 3 pb-sw to OFF
‐ Wait 3 s
‐ Set SEC 3 pb-sw to On
‐ Perform a flight control check

Note: Record the SEC 1, SEC 2 and SEC 3 resets in the logbook (successful
or unsuccessful).

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Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
Loss of fuel quantity
On ground, or in flight:
indication or Simultaneous
triggering of FUEL L OUTER ‐ Pull the three C/Bs:
XFR CLOSED and FUEL • Channel 1 (A13 on 49VU)
R OUTER XFR CLOSED • Channel 2 (M27 on 121VU)
although FUEL SD indicates • Channel 1 and 2 (L26 on 121VU).
no anomaly. ‐ Wait 5 s, before pushing the three C/Bs.
(FQIC)
Note: The fuel quantity indication will be re-established within 1 min.

CAUTION The FUEL AUTO FEED FAULT caution

will be lost for the remainder of the
FUEL
flight.
In flight:
‐ If center tank is not empty, while one
inner tank contains less than 5 000 kg
(11 000 lb) of fuel:
• FUEL MODE SEL (MAN)
‐ When center tank is empty:
• CTR TK PUMP 1 and 2 (OFF)
• FUEL MODE SEL (MAN)

FWS FWC 1(2) FAULT

On ground:
(FWC)
Pull, then push, the C/B of the affected FWC:
‐ FWC 1 (F01 on 49VU)
‐ FWC 2 (Q7 on 121VU).
FWS Wait 50 s after pushing the C/Bs.
In flight:
Pull, then push, the C/B of the affected FWC:
‐ FWC 1 (F01 on 49VU)
‐ FWC 2 (Q7 on 121VU).

L/G LGCIU 1(2) FAULT

On ground only:
(LGCIU 1(2))
The flight crew must depressurize the green hydraulic system before resetting the
LGCIU:
‐ ENG 1 PUMP OFF
‐ PTU OFF.
When there is no green hydraulic pressure:
L/G ‐ To reset LGCIU 1:
• Pull C/B Q34 on 121VU, then C09 on 49VU, then R32 on 121VU.
• Wait for 15 s, then push the C/Bs.
‐ To reset LGCIU 2:
• Pull C/B Q35 on 121VU, then R33 on 121VU.
• Wait for 15 s, then push the C/Bs.
After the LGCIU reset, restore green hydraulic pressure (ENG 1 PUMP ON, PTU
AUTO).

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Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
2
NAV GPWS FAULT and
On ground, or in flight:
NAV GPWS TERR DET
FAULT Perform the following reset when both alerts are displayed at the same time:
(EGPWS) ‐ Pull C/B P07 on 121VU
‐ Set GPWS SYS pb and GPWS TERR pb to ON
‐ Wait 5 s, then push the C/B.

NAV GPWS FAULT or NAV

On ground only:
GPWS TERR DET FAULT
(EGPWS) ‐ Pull C/B P07 on 121VU
‐ Set GPWS SYS pb and GPWS TERR pb to ON
‐ Wait 5 s, then push the C/B.

NAV TCAS FAULT

On ground only:
NAV (TCAS)
‐ Pull C/B K10 on 121VU
‐ Wait 5 s, then push the C/B.

ISIS malfunction
On ground only:
(ISIS)
With aircraft not moving:
‐ Pull C/B F12 on 49VU
‐ Wait 5 s, then push the C/B
‐ Normal operation is expected after approximately 2 min.

Note: In the case of small aircraft motion during the C/B reset (refueling, cargo
loading conditions, etc.), the ATT red flag may appear on the ISIS. In
this case, press the RST P/B for 2 s, and wait 2 min to recover normal
operation.

SMOKE DET FAULT

On ground only:
(SDCU)
SMOKE ‐ Pull C/B C06 on 49VU, and C/B T18 on 122VU
‐ Wait 10 s before pushing both C/Bs.

3
VENT AVNCS SYS FAULT
On ground only:
(AEVC)
VENT ‐ Pull C/B Y17 on 122VU
‐ Wait 30 s before pushing the C/B.

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Continued from the previous page

System malfunction
ECAM System or ECAM Alert Reset Procedure
(Affected System)
WHEEL N.W STEER FAULT On ground only:
or
Case A
WHEEL N/W STRG FAULT
(BSCU) If the three conditions below are fulfilled:
‐ the WHEEL N/W STRG FAULT alert was triggered just after engine start
‐ the N/W STRG DISC memo was displayed before the start of the pushback
(before the aircraft starts moving)
‐ the N/W STRG DISC memo remained displayed even after the pushback is
finished (nosewheel steering selector bypass pin is in the steering position).
Apply the below reset procedure.
If the ECAM alert disappears after the reset, the flight crew may continue the flight
without troubleshooting.
Case B
In all other cases, including in case of doubt on the above conditions,
WHEEL troubleshooting must be performed before continuing the flight, even if the ECAM
alert disappears after the reset. For a return to the gate :
‐ Apply the below reset procedure
‐ The taxi speed must not exceed 10 kt.
Reset Procedure:
‐ STOP aircraft
‐ Set PARK BRK handle to ON
‐ Confirm that towing bar is disconnected
‐ Set A/SKID & N/W STRG sw to OFF
‐ Set A/SKID & N/W STRG sw to ON.

Note: After any BSCU reset:

1. Check brake efficiency
2. Check absence of aircraft veering
3. Record the BSCU reset in the logbook.

SVI MSN 02204 SU-SKB