Loss of the ECAM CTL PNL input bus of the DMC 1

TASK 31-63-00-810-953-A
Loss of the ECAM CTL PNL input bus of the DMC 1

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 31-60-00-740-002	Perform Electronic Instrument System (EIS) Input Test
AMM 31-60-00-740-007	GROUND SCANNING Test of the DMC
ASM 316103
AMM 31-63-34-000-001	Removal of the DMC
AMM 31-63-34-400-001	Installation of the DMC

3. Fault Confirmation
Subtask 31-63-00-740-316-A ** ON A/C NOT FOR ALL

A. Test
Do the EIS input test AMM 31-60-00-740-002.

Subtask 31-63-00-740-316-B ** ON A/C NOT FOR ALL

A. Test
Do the Ground Scanning Test of the DMC AMM 31-60-00-740-007.

4. Fault Isolation
Subtask 31-63-00-810-201-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message DMC 1 : NO ECP DATA:

(1) If the fault continues:

do a check and repair the wiring from the DMC 1 (1WT1) pins AA/11G, 11H to the first terminal block , ASM 316103.

Subtask 31-63-00-810-201-B ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message ECP(6WT)/DMC1(1WT1)

(1) If the fault continues:

do a check and repair the wiring from the DMC 1 (1WT1) pins AD/10C, 10D to the first terminal block , ASM 316103.

Subtask 31-63-00-740-317-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:30:49 UTC