W DOC AIRBUS | TSM A320F

No data from SDAC 1

TASK 23-73-00-810-911-A
No data from SDAC 1

1. Possible Causes
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
TSM TASK 31-54-00-810-810-A
Failure of the SDAC 1
TSM TASK 31-54-00-810-918-A
Failure of the SDAC1 and SDAC2
AMM 23-73-00-740-003
BITE-Test of the Cabin Intercommunication Data System (CIDS) through the PTP
AMM 23-73-00-740-005
BITE-Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
ASM 237303
ASM 237305
AMM 23-73-34-000-001
Removal of the CIDS Director
AMM 23-73-34-400-001
Installation of the CIDS Director
AMM 31-55-34-000-001
Removal of the SDAC
AMM 31-55-34-400-001
Installation of the SDAC
3. Fault Confirmation
Subtask 23-73-00-710-308-A ** ON A/C NOT FOR ALL
A. Do the BITE test of the CIDS AMM 23-73-00-740-003.
Subtask 23-73-00-710-308-B ** ON A/C NOT FOR ALL
A. Test
   (1) Do the CIDS Interface and Power-Up Test via the CFDS AMM 23-73-00-740-005.
4. Fault Isolation
Subtask 23-73-00-810-635-A
A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
Subtask 23-73-00-810-636-A ** ON A/C NOT FOR ALL
B. If the test gives the maintenance message NO SDAC 1 DATA
  • on the ECAM control panel:
    select the ECAM STATUS page on the lower ECAM display.
   (1) If the ECAM STATUS page shows the message SDAC 1:
   (2) If the ECAM STATUS page shows the message SDAC 1+2:
   (3) If the ECAM STATUS page does not show a message related to SDAC 1:
  • on the CFDS/MCDU:
    select the CLASS 3 FAULTS page of the CIDS 2.
     (a) If the CLASS 3 FAULTS page does not show the message NO SDAC 1 DATA:
       1 If the test gives no maintenance message NO SDAC 1 DATA
       2 If the test gives the maintenance message NO SDAC 1 DATA
     (b) If the CLASS 3 FAULTS page shows the message NO SDAC 1 DATA:
  • remove the DIR-CIDS, 1 (101RH) and DIR-CIDS, 2 (102RH) AMM 23-73-34-000-001.
  • remove the SDAC-1 (1WV1) AMM 31-55-34-000-001.
  • do a check of the wiring between:
    SDAC-1 (1WV1) connector AB pin 9G and DIR-CIDS, 1 (101RH) connector AA pin A9,
    SDAC-1 (1WV1) connector AB pin 9H and DIR-CIDS, 1 (101RH) connector AA pin B9,
    SDAC-1 (1WV1) connector AB pin 9G and DIR-CIDS, 2 (102RH) connector AA pin A9,
    SDAC-1 (1WV1) connector AB pin 9H and DIR-CIDS, 2 (102RH) connector AA pin B9,
    ASM 237303 ASM 237305.
  • install the removed DIR-CIDS, 1 (101RH) and DIR-CIDS, 2 (102RH) AMM 23-73-34-400-001.
  • install the removed SDAC-1 (1WV1) AMM 31-55-34-400-001.
Subtask 23-73-00-810-636-B ** ON A/C NOT FOR ALL
B. If the test gives the maintenance message SDAC1 (1WV1)/ DIR1 (101RH)
  • on the ECAM control panel:
    select the ECAM STATUS page on the lower ECAM display.
   (1) If the ECAM STATUS page shows the message SDAC 1:
   (2) If the ECAM STATUS page shows the message SDAC 1+2:
   (3) If the ECAM STATUS page does not show a message related to SDAC 1:
  • on the CFDS/MCDU:
    select the CLASS 3 FAULTS page of the CIDS 2.
     (a) If the CLASS 3 FAULTS page does not show the message SDAC1 (1WV1)/DIR1 (101RH)
       1 If the test gives no maintenance message SDAC1 (1WV1)/ DIR1 (101RH)
       2 If the test gives the maintenance message SDAC1 (1WV1)/ DIR1 (101RH)
     (b) If the CLASS 3 FAULTS page shows the message SDAC1 (1WV1)/ DIR1 (101RH)
5. Close-up
Subtask 23-73-00-710-309-A
A. Do the test as given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:25:56 UTC
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