Loss of the Reception of the FAC 1 HLTY Discretes by the FMGC 1

TASK 22-83-00-810-801-A
Loss of the Reception of the FAC 1 HLTY Discretes by the FMGC 1

1. Possible Causes

FMGC-1 [1CA1]
wiring of the FAC OWN HLTY MON and FAC OWN HLTY COM discretes (from the FMGC 1 (1CA1) to the first terminal block)

2. Job Set-up Information
A. Referenced Information

3. Fault Confirmation
Subtask 22-83-00-710-050-A

A. Test
(1) Do the operational test of the AFS AMM 22-96-00-710-001 and read the result for the FMGC 1.

4. Fault Isolation
Subtask 22-83-00-810-050-A

A. If the test gives the maintenance message AFS: FMGC1/FAC1 (HLTY CKT):

(1) If the fault continues:

do a check and repair the wiring of the FAC OWN HLTY MON and FAC OWN HLTY COM discretes (from the FMGC 1 (1CA1) to the first terminal block), ASM 226501.

Subtask 22-83-00-710-051-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:25:29 UTC