Unwanted (Spurious) Warnings/Indications involving the SDAC

TASK 31-55-00-810-801-A
Unwanted (Spurious) Warnings/Indications involving the SDAC

1. Possible Causes

SDAC-1 [1WV1]
SDAC-2 [1WV2]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 31-55-34-000-001	Removal of the SDAC
AMM 31-55-34-400-001	Installation of the SDAC

3. Fault Confirmation
Subtask 31-55-00-710-050-A

A. Not Applicable

4. Fault Isolation
Subtask 31-55-00-810-050-A

A. If an unwanted (spurious) warning/indication is shown on the ECAM display units:
(1) Remove the SDAC-1 [1WV1] AMM 31-55-34-000-001.
Make sure that the warning/indication is not shown.
(a) If the warning/indication is not shown:

replace the SDAC-1 [1WV1] AMM 31-55-34-400-001.

(b) If the warning/indication is shown:

install the SDAC-1 [1WV1] AMM 31-55-34-400-001.
remove the SDAC-2 [1WV2] AMM 31-55-34-000-001.

replace the SDAC-2 [1WV2] AMM 31-55-34-400-001.

NOTE: If the warning/indication stays on the ECAM display units, then, a failure of the SDACs is not the cause of this ECAM warning/indication.

[Rev.8 from Aug 2018] 2026.04.04 04:30:35 UTC