W DOC AIRBUS | TSM A320F

Loss of the Reception of the ELAC OWN Bus by the FAC 1


TASK 22-66-00-810-846-A
Loss of the Reception of the ELAC OWN Bus by the FAC 1


1. Possible Causes
  • wiring between terminal block 1835VT18 pin V and terminal block 1831VT9 pin K
  • wiring between terminal block 1835VT19 pin V and terminal block 1831VT9 pin C
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 22-91-00-710-001
Ground Scanning of the AFS
AWM 279229
3. Fault Confirmation
Subtask 22-66-00-865-063-A
A. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B11
Subtask 22-66-00-710-140-A
B. Test
   (1) Do the Ground Scanning of the AFS AMM 22-91-00-710-001.
4. Fault Isolation
Subtask 22-66-00-810-102-B
A. If the test gives the maintenance message AFS: ELAC1/BUS WIRG/FAC1:
  • do a check and repair the:
    . wiring between terminal block 1835VT18 pin V and terminal block 1831VT9 pin K
    . wiring between terminal block 1835VT19 pin V and terminal block 1831VT9 pin C
    AWM 279229.
Subtask 22-66-00-710-141-A
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:25:19 UTC