DOC AIRBUS | TSM A320FNo data from CFDS
TASK 26-17-00-810-832-A
No data from CFDS
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 26-17-00-865-065-A ** ON A/C NOT FOR ALL
Subtask 26-17-00-810-153-A ** ON A/C NOT FOR ALL
Subtask 26-17-00-860-080-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:27:22 UTC
No data from CFDS
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ASM 237303 | |
| AMM 23-73-34-000-001 | Removal of the CIDS Director |
| AMM 23-73-34-400-001 | Installation of the CIDS Director |
| AMM 26-10-00-740-802 | Ground Scanning of the Cabin Intercommunication Data-System (CIDS) - Smoke Detection Function (SDF) |
| AMM 31-32-00-740-002 | BITE Test of the Centralized Fault Display Interface Unit (CFDIU) |
Subtask 26-17-00-865-065-A ** ON A/C NOT FOR ALL
A. Table of the circuit breakers used in this procedure:
Subtask 26-17-00-740-051-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/CIDS/SDF/DIR2 ESS | 18WH | C06 |
| 49VU | AIR COND/CIDS/SDF/DIR1 ESS | 15WH | C05 |
| 122VU | AIR COND/CIDS/SDF/DIR NORM/2 | 14WH | T18 |
| 122VU | AIR COND/CIDS/SDF/DIR NORM/1 | 17WH | T17 |
B. Test
(1) Open the circuit breakers 14WH, 15WH, 17WH and 18WH.
(2) After 10s, close the circuit breakers again.
(3) After a minimum time of 30s, do the Ground Scanning of the Cabin Intercommunication Data-System (CIDS) - Smoke Detection Function (SDF) AMM 26-10-00-740-802.
(4) Do the BITE Test of the Centralized Fault Display Interface Unit (CFDIU) AMM 31-32-00-740-002.
4. Fault Isolation(1) Open the circuit breakers 14WH, 15WH, 17WH and 18WH.
(2) After 10s, close the circuit breakers again.
(3) After a minimum time of 30s, do the Ground Scanning of the Cabin Intercommunication Data-System (CIDS) - Smoke Detection Function (SDF) AMM 26-10-00-740-802.
(4) Do the BITE Test of the Centralized Fault Display Interface Unit (CFDIU) AMM 31-32-00-740-002.
Subtask 26-17-00-810-153-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message CFDS1 (1TM1)/CIDS(101RH)-SDF1 or CFDS1 (1TM1)/CIDS(102RH)-SDF2:
Subtask 26-17-00-710-111-A ** ON A/C NOT FOR ALL - Do a check and repair the wiring between the related CIDS director
DIR-CIDS, 1 [101RH] or DIR-CIDS, 2 [102RH] connector AA pin 11G and 11H to CFDIU [1TW] ASM 237303.
- Replace the related DIR-CIDS, 1 [101RH] or DIR-CIDS, 2 [102RH] AMM 23-73-34-000-001 and AMM 23-73-34-400-001.
B. Do the test given in Para. 3.
5. Close-upSubtask 26-17-00-860-080-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.