DOC AIRBUS | TSM A320FNo Smoke Warning on OVHD Panel and/or ECAM
TASK 26-16-00-810-818-A
No Smoke Warning on OVHD Panel and/or ECAM
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 26-16-00-865-064-A ** ON A/C NOT FOR ALL
Subtask 26-16-00-810-098-A ** ON A/C NOT FOR ALL
Subtask 26-16-00-860-067-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:27:19 UTC
No Smoke Warning on OVHD Panel and/or ECAM
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| 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 31-53-34-000-001 | Removal of the Flight Warning Computer (FWC) |
| AMM 31-53-34-400-001 | Installation of the Flight Warning Computer (FWC) |
Subtask 26-16-00-865-064-A ** ON A/C NOT FOR ALL
A. Table of the circuit breakers used in this procedure:
Subtask 26-16-00-710-085-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, wait for approximately 10 seconds and close them again, wait for a minimum of 30 seconds before you start the test.
(2) After a minimum time of 30 seconds, do the Ground Scanning of the Cabin Intercommunication Data-System (CIDS) - Smoke Detection Function (SDF) AMM 26-10-00-740-802.
4. Fault Isolation(1) Open the circuit breakers 14WH, 15WH, 17WH and 18WH, wait for approximately 10 seconds and close them again, wait for a minimum of 30 seconds before you start the test.
(2) After a minimum time of 30 seconds, do the Ground Scanning of the Cabin Intercommunication Data-System (CIDS) - Smoke Detection Function (SDF) AMM 26-10-00-740-802.
Subtask 26-16-00-810-098-A ** ON A/C NOT FOR ALL
A. If the test gives a different maintenance message:
Subtask 26-16-00-810-099-A ** ON A/C NOT FOR ALL - Do the trouble shooting procedure related to the maintenance message.
B. If the test gives the maintenance message
SMK IND (11WH)/ FWC1/2 (1WW1/2)/ CIDS DIR1 (101RH):
(1) If the indicator light (11WH) did not come on:
Subtask 26-16-00-810-100-A ** ON A/C NOT FOR ALL SMK IND (11WH)/ FWC1/2 (1WW1/2)/ CIDS DIR1 (101RH):
(1) If the indicator light (11WH) did not come on:
- Replace the related lamp.
- Do a check and repair the aircraft wiring if necessary between the DIR-CIDS, 1 [101RH] and the related lamp.
- Replace the DIR-CIDS, 1 [101RH] AMM 23-73-34-000-001 and AMM 23-73-34-400-001.
- Replace the DIR-CIDS, 1 [101RH] AMM 23-73-34-000-001 and AMM 23-73-34-400-001.
- Replace the related FWC-1 [1WW1] or FWC-2 [1WW2] AMM 31-53-34-000-001 and AMM 31-53-34-400-001.
C. If the test gives the maintenance message
SMK IND (11WH)/ FWC1/2 (1WW1/2)/ CIDS DIR2 (102RH):
(1) If the indicator light (11WH) did not come on:
Subtask 26-16-00-710-086-A ** ON A/C NOT FOR ALL SMK IND (11WH)/ FWC1/2 (1WW1/2)/ CIDS DIR2 (102RH):
(1) If the indicator light (11WH) did not come on:
- Replace the related lamp.
- Do a check and repair the aircraft wiring if necessary between the DIR-CIDS, 2 [102RH] and the related lamp.
- Replace the DIR-CIDS, 2 [102RH] AMM 23-73-34-000-001 and AMM 23-73-34-400-001.
- Replace the DIR-CIDS, 2 [102RH] AMM 23-73-34-000-001 and AMM 23-73-34-400-001.
- Replace the related FWC-1 [1WW1] or FWC-2 [1WW2] AMM 31-53-34-000-001 and AMM 31-53-34-400-001.
D. Do the test as given in the Para. 3.
5. Close-upSubtask 26-16-00-860-067-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.