W DOC AIRBUS | AMM A320F

Operational Test of the FADEC SYSTEM on the Ground [IAE]


TASK 73-22-00-710-040-A
Operational Test of the FADEC SYSTEM on the Ground


FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL
1. Reason for the Job
Use this test to do a check of the FADEC system operation.
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-32-00-860-012-A
Procedure to Get Access to the SYSTEM REPORT/TEST/ENG Page
3. Job Set-up
Subtask 73-22-00-861-050-A ** ON A/C NOT FOR ALL
A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
Subtask 73-22-00-865-050-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
FOR FIN: 1000EM1 (ENGINE1)
49VUENGINE/1/FADEC A/AND EIU 12KS1A04
121VUENGINE/IGN/ENG1/SYS B3JH1P41
121VUENGINE/IGN/ENG1/SYS A BAT2JH1P39
121VUENGINE/ENG1/FADEC B/AND EIU 14KS1R41
FOR FIN: 1000EM2 (ENGINE2)
49VUENGINE/2/FADEC A/AND EIU 22KS2A05
121VUENGINE/IGN/ENG2/SYS B3JH2P42
121VUENGINE/IGN/ENG2/SYS A BAT2JH2P40
121VUENGINE/ENG2/FADEC B4KS2Q40
Subtask 73-22-00-869-050-A ** ON A/C NOT FOR ALL
C. On the MAINTENANCE PNL 50VU:
  • Release the FADEC GND PWR 1(2) pushbutton switch
  • On the pushbutton switch, the ON legend comes on.
4. Procedure
Subtask 73-22-00-710-050-A ** ON A/C NOT FOR ALL
CAUTION: YOU MUST NOT DO THIS TEST IN GUSTING WIND CONDITIONS AS THIS CAN CAUSE BAD STATIC PRESSURE TEST RESULTS.
A. Do this test:
NOTE: This test is for the system 1. For the other systems, use the indication between parentheses.
   (1) On the left or right MCDU get the SYSTEM REPORT/TEST page (Ref. AMM TASK 31-32-00-860-012).
ACTION
RESULT
1.Push the line key adjacent to the FADEC 1A (2A) indication.
The FADEC 1A (2A) menu comes into view.
2.Push the line key adjacent to the SYSTEM TEST indication.
The SYSTEM TEST menu comes into view. Detail A.


3.Push the line key adjacent to the FADEC SELF TEST indication.
NOTE: Make sure that the power supply to the FADEC occurred a minimum of 30 seconds in menu mode before you start the test.
The test result comes into view. Detail B.
NOTE: If failures are found during the test, the message SEE GROUND SCANNING MENU comes into view on the MCDU. You must then go into the GROUND SCANNING menu of the FADEC and also read out the Scheduled Maintenance Report (Ref. TSM 70-00-00 P.Block 301) and do the related troubleshooting for faults.
NOTE: If the test is to be repeated on the same or alternate channel, you have to go back to the SYSTEM REPORT/TEST menu and to wait 30 seconds before you try again the test.
4.Do the procedure again for the channel B of the FADEC 1(2).

5.Push the line key adjacent to the RETURN indication until the CFDS comes into view.
The CFDS menu comes into view.
6.Push the MCDU MENU key.
The MCDU menu comes into view.
5. Close-up
Subtask 73-22-00-869-051-A ** ON A/C NOT FOR ALL
A. On the maintenance panel 50VU:
  • Push the FADEC GND PWR 1(2) pushbutton switch.
  • On the pushbutton switch, the ON legend goes off.
Subtask 73-22-00-862-050-A ** ON A/C NOT FOR ALL
B. De-energize the aircraft electrical circuits. (Ref. AMM TASK 24-41-00-862-002)
[Rev.10 from 2021] 2026.04.01 03:00:40 UTC