Loss of the ELAC 2 BUS 1 Signal for the SEC 3

TASK 27-93-00-810-908-A
Loss of the ELAC 2 BUS 1 Signal for the SEC 3

1. Possible Causes

wiring of the DGO 1 signal of the ELAC2 (2CE2) COM part
wiring of the DSO 6 signal of the ELAC 2 (2CE2) MON part

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AWM 279230
ASM 279249
ASM 279252
AWM 279276
AMM 27-96-00-740-001	BITE Test of the EFCS (Ground Scanning)

3. Fault Confirmation
Subtask 27-93-00-740-144-A

A. Test
(1) Do the BITE test of the EFCS (ground scanning) AMM 27-96-00-740-001.

4. Fault Isolation
Subtask 27-93-00-810-146-A

A. If the BITE test gives the maintenance message:
ELAC2 COM BUS1
(1) Do a check and repair the wiring of the DGO 1 signal of the ELAC2 (2CE2) COM part, ASM 279252 from the terminal block 1844VT to the terminal bloc 219VT AWM 279230.
(2) If the fault continues:

Do a check and repair the wiring of the DSO 6 signal of the ELAC 2 (2CE2) MON part ASM 279249 from the terminal block 1846VT to the terminal block 213VT AWM 279276.

Subtask 27-93-00-740-145-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:28:05 UTC