Operational Test of the Power Interlocks

TASK 31-39-00-710-801-A
Operational Test of the Power Interlocks

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-32-00-860-008-A	Procedure to Get Access to the SYSTEM REPORT/TEST/INST Page
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
DFDRS TEST

3. Job Set-up
Subtask 31-39-00-861-051-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)
(2) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001)
(3) Energize the CFDS
(Ref. AMM TASK 31-32-00-860-008)

Subtask 31-39-00-865-054-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	COM/CVR/SPLY	23RK	E14
49VU	COM/CVR/CTL	26RK	E13
** ON A/C NOT FOR ALL
49VU	RCDR1 CVR&FDR	40TU	E14
49VU	RCDR CTL	41TU	E13
** ON A/C NOT FOR ALL
121VU	RCDR/DFDR	7TU	K16
** ON A/C NOT FOR ALL
121VU	RCDR/ACCLRM	9TU	K18
121VU	AIDS & RCDR/FDIMU	5TV	K15
** ON A/C NOT FOR ALL
121VU	RCDR2 CVR&FDR	42TU	K16
** ON A/C NOT FOR ALL
121VU	RCDR/ACCLRM	9TU	K41
121VU	RCDR2 CVR&FDR	42TU	K39
121VU	AIDS & RCDR/FDIMU	5TV	K38

4. Procedure
Subtask 31-39-00-710-050-A ** ON A/C NOT FOR ALL

A. Do the Power Interlocks and System Monitoring Test.

ACTION	RESULT
1.On the control panel 21VU:	On the control panel 21VU:
Push GND/CTL button.	The blue ON legend comes on.
2.On the MCDU 3 CA1:	On the MCDU screen 3CA1:
Set the MCDU menu.	The MCDU menu comes on.
Push the line key adjacent to the <CFDS	The CFDS menu comes on.
Push the line key adjacent to the <SYSTEM REPORT/TEST.	The SYSTEM REPORT/TEST comes on.
Push the line key adjacent to the INST>.	The SYSTEM REPORT/TEST INST menu comes on.
Push the line key adjacent to the <DFDRS.	The DFDRS menu comes on.
Push the line key adjacent tot the GND SCANNING.	The GND SCANNING menu will come on with a NO FAULT message, or with a fault message showing the equipment at fault and the ATA Ref.
3.On the control panel 21VU:	On the control panel 21VU:
Push GND/CTL button.	The blue ON legend goes off.

5. Close-up
Subtask 31-39-00-862-050-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) De-energize the CFDS (Ref. AMM TASK 31-32-00-860-008)
(2) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002)
(3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002)

[Rev.10 from 2021] 2026.04.01 08:31:23 UTC