Loss of the ELAC1 MON BUS 1 Signal for the SEC3

TASK 27-93-00-810-938-A
Loss of the ELAC1 MON BUS 1 Signal for the SEC3

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AWM 279231
ASM 279249
ASM 279250
AWM 279276
AMM 27-96-00-740-001	BITE Test of the EFCS (Ground Scanning)

3. Fault Confirmation
Subtask 27-93-00-740-192-A

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

4. Fault Isolation
Subtask 27-93-00-810-193-A

A. If the test gives the maintenance message:
ELAC1 MON BUS1

do a check of the wiring of the DGO 1 signal of the ELAC1 (2CE1) MON part ASM 279250 from the terminal block 1837VT to the terminal block 213VT AWM 279231.

(1) If the wiring is not correct, repair it.
(2) If the wiring is correct:

do a check and repair the wiring of the DSO 6 signal of the ELAC 1 (2CE1) COM part ASM 279249 from the terminal block 1835VT to the terminal block 219VT AWM 279276.

Subtask 27-93-00-740-193-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:28:07 UTC