DOC AIRBUS | TSM A320FFDIMU Receives No Data from the EVMU
TASK 31-36-00-810-913-A
FDIMU Receives No Data from the EVMU
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 31-36-00-740-196-A ** ON A/C NOT FOR ALL
Subtask 31-36-00-810-126-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:30:07 UTC
FDIMU Receives No Data from the EVMU
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 31-36-00-740-012 | Test of the Flight Data Interface and Management Unit (FDIMU) |
| AMM 31-36-34-000-002 | Removal of the FDIU/DMU (FDIMU) |
| AMM 31-36-34-400-002 | Installation of the FDIU/DMU (FDIMU) |
| ASM 313701 | |
| AMM 77-32-34-710-040 | Operational Check of EVMU through CFDS for Advisory Indication on ECAM |
Subtask 31-36-00-740-196-A ** ON A/C NOT FOR ALL
A. Do the FDIMU (10TV) fault monitoring test (AIDS-part) AMM 31-36-00-740-012.
4. Fault IsolationNOTE: Make sure that the circuit breakers 5TV, 5CC2, 14CC2 on the panel 121VU and 5CC1, 14CC1 on the panel 49VU are closed during the test.
Subtask 31-36-00-810-126-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message:
(a) If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 201.
(2) If the fault continues:
Subtask 31-36-00-740-197-A ** ON A/C NOT FOR ALL - EVMU (2EV) / FDIMU (10TV)
(a) If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 201.
(2) If the fault continues:
- do a check and if necessary repair the wiring between the EVMU [2EV] and the DMU/FDIU (FDIMU) [10TV] ASM 313701:
EVMU Connector AA/13A to FDIMU Connector AA/2E
EVMU Connector AA/13C to FDIMU Connector AA/2F
- replace the FDIMU (10TV) AMM 31-36-34-000-002 and AMM 31-36-34-400-002.
B. Do the test given in Para. 3.