W DOC AIRBUS | AMM A320F

Check of Ignition Fault Warning [CFML]


TASK 74-31-00-040-806-A
Check of Ignition Fault Warning


ZONE: 210
1. Reason for the Job
MMEL 74-07-01A
SELECTED IGNITER INDICATION ON THE ENGINE SD PAGE (FAA ONLY)
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A
De-energize the Ground Service Network Supplied from the External Power
TASK 31-60-00-860-001-A
EIS Start Procedure
TASK 31-60-00-860-002-A
EIS Stop Procedure
3. Job Set-up
Subtask 74-31-00-861-054-A
A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 74-31-00-865-069-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
FOR FIN: 4020KM1 (POWER PLANTDEMOUNTABLE, ENGINE 1)
121VUENGINE/IGN/ENG1/SYS B3JH1P41
FOR FIN: 4020KM2 (POWER PLANTDEMOUNTABLE, ENGINE 2)
121VUENGINE/IGN/ENG2/SYS B3JH2P42
Subtask 74-31-00-860-056-A
C. Aircraft Maintenance Configuration
   (1) On the maintenance panel 50VU:
     (a) Release the ENG / FADEC GND PWR / 1(2) pushbutton switch. The ON legend of this pushbutton switch comes on.
   (2) On the ENG panel 115VU, make sure that:
     (a) The ENG/MODE/CRANK/NORM/IGN START selector switch is set to NORM.
     (b) The ENG/MASTER 1(2) control switch is set to OFF.
   (3) On the overhead control and indicating panel 22VU:
     (a) Make sure that the ON legend of the ENG/MAN START/1(2) pushbutton switch is off (the pushbutton switch is released out).
   (4) On the HYD/FUEL panel 40VU:
     (a) Make sure that the OFF legends of all the FUEL/PUMPS pushbutton switches are on (the pushbutton switches are released out).
   (5) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
4. Procedure
Subtask 74-31-00-200-053-A
A. Check for ignition fault warning
ACTION
RESULT
1.On the ENG panel 115VU:
  • Set the ENG/MODE/CRANK/NORM/IGN START selector switch to IGN START.
On the upper ECAM display unit:
  • The primary engine parameters come into view.
WARNING: MAKE SURE THAT THE INLET PRESSURE INDICATION FOR THE STARTER VALVE IS ZERO BEFORE YOU PUSH THE ENG/MAN START/1 (2) PUSHBUTTON SWITCH.
2.On the overhead control and indicating panel 22VU:


  • Push the ENG/MAN START/1(2) pushbutton switch.
  • The ON legend of this pushbutton switch comes on.
3.On the ENG panel 115VU:
  • Set the ENG/MASTER 1(2) control switch to ON.
On the upper ECAM display unit, on the ENGINE page:
  • Make sure that IGN A+B FAULT warning comes into view.
4.On the overhead control and indicating panel 22VU:
  • Release the ENG/MAN START/1(2) pushbutton switch.

5.On the ENG panel 115VU:
  • Set the ENG/MASTER 1(2) control switch to OFF.

6.On the ENG panel 115VU:
  • Set the ENG/MODE/CRANK/NORM/IGN START selector switch to NORM.
NOTE: The Engine Electronic Controller (EEC) stays electrically supplied for 5 minutes after you set:
  • The ENG/MASTER 1(2) lever to OFF.
  • The ENG/MODE/CRANK/NORM/IGN START rotary selector to NORM.
NOTE: The WARNING messages that appears during this procedure can be cleared by an ON/OFF switching of the ENG/MASTER 1(2) control switch.

5. Close-up
Subtask 74-31-00-860-057-A
A. Put the aircraft back to its initial configuration.
   (1) On the maintenance panel 50VU:
     (a) Push the ENG / FADEC GND PWR / 1(2) pushbutton switch. The ON legend goes off.
   (2) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
   (3) Make an entry in the logbook.
   (4) Put the WARNING NOTICE(S) to tell person that igniter indication is selected on the ENGINE SD page (FAA only).
Subtask 74-31-00-865-070-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
FOR FIN: 4020KM1 (POWER PLANTDEMOUNTABLE, ENGINE 1)
121VUENGINE/IGN/ENG1/SYS B3JH1P41
FOR FIN: 4020KM2 (POWER PLANTDEMOUNTABLE, ENGINE 2)
121VUENGINE/IGN/ENG2/SYS B3JH2P42
Subtask 74-31-00-862-054-A
C. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.04.01 03:09:01 UTC