W DOC AIRBUS | TSM A320F

AIP - Incorrect Indication or no Indication on one Attendant Indication Panel

TASK 23-73-00-810-871-A
AIP - Incorrect Indication or no Indication on one Attendant Indication Panel

1. Possible Causes
  • AIP (320RHxx)
  • 300RHxx
  • wiring
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 23-73-00-740-005
BITE-Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
ASM 237306
AMM 23-73-22-000-001
Removal of the Attendant Indication Panel
AMM 23-73-22-400-001
Installation of the Attendant Indication Panel
AMM 23-73-47-000-001
Removal of the Decoder/Encoder Unit B (300RH)
AMM 23-73-47-400-001
Installation of the Decoder/Encoder Unit B (300RH)
3. Fault Confirmation
Subtask 23-73-00-710-181-A ** ON A/C NOT FOR ALL
A. Test
   (1) Open these CBs:
  • 49VU: 153RH CIDS/DEU B/ESS
  • 121VU:162RH CIDS/DEU B/NORM,
   (2) Wait for 10 s and close the CBs 153RH and 162RH.
   (3) Do the CIDS BITE test through the CFDS AMM 23-73-00-740-005.
   (4) Examine the related AIP for an incorrect indication or no indication.
Subtask 23-73-00-710-181-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.
   (2) Examine the related AIP for an incorrect indication or no indication.
4. Fault Isolation
Subtask 23-73-00-810-425-A
A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
Subtask 23-73-00-810-426-A
B. If there is no maintenance message, but there is a fault in the AIP:
   (1) If the fault continues:
     (a) If the fault continues:
  • do a check of the wiring between:
    the related DEU-B (300RHxx) connector C/15 and the AIP (320RHxx) connector A/4,
    the related DEU-B (300RHxx) connector C/16 and the AIP (320RHxx) connector A/5,
    ASM 237306.
Subtask 23-73-00-710-231-A
C. Do the test given in Para. 3.A.
[Rev.8 from Aug 2018] 2026.04.04 04:25:54 UTC
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