DOC AIRBUS | TSM A320FLoss of the ADF1 Data
TASK 34-53-00-810-823-A
Loss of the ADF1 Data
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 34-53-00-740-084-A 4. Fault Isolation
Subtask 34-53-00-810-082-A
[Rev.8 from Aug 2018]
2026.04.04 04:33:27 UTC
Loss of the ADF1 Data
1. Possible Causes
- RECEIVER-ADF, 1 [2RP1]
- wiring from the ADF receiver 1 to the first terminal block
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 34-53-00-740-003 | BITE Test of the ADF |
| ASM 345301 | |
| AMM 34-53-31-000-002 | Removal of the ADF Receiver |
| AMM 34-53-31-400-002 | Installation of the ADF Receiver |
Subtask 34-53-00-740-084-A 4. Fault Isolation
Subtask 34-53-00-810-082-A
A. If the test gives the maintenance message DMC1/2/3 (1WT1/2/3)/DDRMI (1FN)/ADF1 (2RP1):
Subtask 34-53-00-740-085-A - swap the RECEIVER-ADF, 1 [2RP1] and the ADF receiver 2 AMM 34-53-31-000-002 and AMM 34-53-31-400-002.
- replace the ADF receiver that you installed on side 2.
- remove the ADF receiver 1
- do a check and repair the wiring from the ADF receiver 1 to the first terminal block : for pins AB/13B, 14B of the ADF receiver 1 ASM 345301
- install the ADF receiver 1.
B. Do the test given in Para. 3.