W DOC AIRBUS | TSM A320F

FAP - FAP(x) no data from active Director

TASK 23-73-00-810-858-A
FAP - FAP(x) no data from active Director

1. Possible Causes
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 237309
AMM 23-73-12-000-002
Removal of the Forward Attendant Panel
AMM 23-73-12-000-007
Removal of the Flight Attendant Panel
AMM 23-73-12-400-002
Installation of the Forward Attendant Panel
AMM 23-73-12-400-007
Installation of the Flight Attendant Panel
ASM 237323
AMM 23-73-34-000-001
Removal of the CIDS Director
AMM 23-73-34-400-001
Installation of the CIDS Director
3. Fault Confirmation
Subtask 23-73-00-710-071-A ** ON A/C NOT FOR ALL
A. Test
   (1) Do the CIDS1/FAP test through the CFDS.
Subtask 23-73-00-710-071-B ** ON A/C NOT FOR ALL
A. Test
   (1) Do the CIDS Interface and Power-Up test through the CFDS.
AMM 23-73-00-740-005
4. Fault Isolation
Subtask 23-73-00-810-072-A
A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
Subtask 23-73-00-810-156-D ** ON A/C NOT FOR ALL
B. If the CIDS1/FAP test gives the maintenance message NO FAP DATA:
  • make sure that at least one cabin door is open,
  • make sure that the EMER LT (4WL) switch is in the OFF position,
  • open these CBs:
    49VU: 150RH (G01) COM DIR ESS/1
    49VU: 157RH (G02) COM DIR ESS/2
    121VU:151RH (M06) CIDS/DIR NORM/1
    121VU:156RH (M07) CIDS/DIR NORM/2,
  • wait for approx. 10 s and close the CBs 156RH and 157RH.
  • wait for approx. 120 s,
  • do the CIDS2/FAP test.
   (1) If the CIDS2/FAP test does not give the message NO FAP DATA:
     (a) If the fault continues:
       1 If the fault continues:
  • do a check and repair the wiring between:
    DIR-CIDS (101RH) connector AA/A12 and FAP (120RH) connector A/1,
    DIR-CIDS (101RH) connector AA/B12 and FAP (120RH) connector A/2,
    DIR-CIDS (101RH) connector AA/D12 and FAP (120RH) connector A/4,
    DIR-CIDS (101RH) connector AA/E12 and FAP (120RH) connector A/5,
    CB 170RH and FAP (120RH) connector A/18,
    FAP (120RH) connector A/3 and GND,
    FAP (120RH) connector A/6 and GND,
    FAP (120RH) connector A/17 and GND ASM 237309.
Subtask 23-73-00-810-156-F ** ON A/C NOT FOR ALL
B. If the test confirms the fault:
   (1) If the fault continues:
     (a) If the fault continues:
  • do a check and repair the wiring between:
    DIR-CIDS (101RH) connector AA/5A and FAP (120RH) connector A/1,
    DIR-CIDS (101RH) connector AA/5B and FAP (120RH) connector A/2,
    DIR-CIDS (101RH) connector AA/13C and FAP (120RH) connector A/3,
    DIR-CIDS (101RH) connector AA/13D and FAP (120RH) connector A/4,
    CB 170RH and FAP (120RH) connector A/18,
    FAP (120RH) connector A/20 and GND,
    FAP (120RH) connector A/21 and GND,
    FAP (120RH) connector A/22 and GND.
    ASM 237323
Subtask 23-73-00-810-157-A ** ON A/C NOT FOR ALL
C. Install the removed DIR-CIDS, 1 [101RH] AMM 23-73-34-400-001.
Subtask 23-73-00-710-224-A
D. Do the test given in Para. 3.A.
[Rev.8 from Aug 2018] 2026.04.04 04:25:53 UTC
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