Test of the Monitoring of the ADIRS Power Supply (115VAC-28VDC)

TASK 34-11-00-710-002-A
Test of the Monitoring of the ADIRS Power Supply (115VAC-28VDC)

ZONE: 210

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 1M(3 FT)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
822

C. 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 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure

3. Job Set-up
Subtask 34-11-00-010-052-A

A. Get Access
(1) Put the ACCESS PLATFORM 1M(3 FT) in position in zone 126 at the access door 822.
(2) Open the access door 822.
(3) On the battery power center 105VU:

loosen the two screws and remove the protective cover.

Subtask 34-11-00-860-054-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).
(3) On the overhead panel:

On the FLT CTL panels 23VU and 24VU, make sure that the FAC, ELAC and SEC pushbutton switches are not pushed (in). The OFF legends are on.
On the ADIRS CDU, on the panel 20VU, make sure that the 3 OFF/NAV/ATT selector switches are at OFF.
On the ELEC panel 35VU, make sure that the battery voltage is correct, between 26VDC and 30VDC.

NOTE: This test is for the system 1. For the systems 2 and 3, use the indications between the parentheses.

Subtask 34-11-00-860-054-B ** ON A/C NOT FOR ALL

On FLT CTL panels 23VU and 24VU, make sure that the FAC, ELAC and SEC pushbutton switches are released (the OFF legends are on).
On ADIRS MSU panel 41VU, make sure that the three OFF/NAV/ATT selector switches are set to OFF.
On ELEC panel 35VU, make sure that the battery voltage is correct, between 26VDC and 30VDC.

NOTE: This test is for the system 1. For the systems 2 and 3, use the indications between the parentheses.

Subtask 34-11-00-865-054-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
49VU	NAV PROBES/ADIRU 1/AND AOA 1/26VAC	5FP1	F07
49VU	NAV PROBES/ADIRU1/115VAC	4FP1	F06
105VU	ADIRS/ADIRU1/28VDC	6FP1	C02
** ON A/C NOT FOR ALL
121VU	ADIRS/ADIRU/2PWR/SHED	10FP	N10
** ON A/C ALL
121VU	ADIRS/ADIRU/3PWR/SWTG	9FP	N09
121VU	ADIRS/ADIRU/2/26VAC AND AOA	5FP2	N08
121VU	ADIRS/ADIRU/3/26VAC AND AOA	5FP3	N07
121VU	ADIRS/ADIRU/2/115VAC	4FP2	N06
121VU	ADIRS/ADIRU/3/115VAC	4FP3	N05
121VU	ADIRS/ADIRU/2/28VDC	6FP2	N04
121VU	ADIRS/ADIRU/3/28VDC	6FP3	N03
121VU	EIS/HORN/SPLY	2WC	P09
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	HYDRAULIC/LGCIU/SYS1/GRND SPLY	52GA	Q34
** ON A/C NOT FOR ALL
121VU	ADIRS/2PWR/SHED &/AOA2 MON	10FP	N10

4. Procedure
Subtask 34-11-00-710-051-A ** ON A/C NOT FOR ALL

A. Test of the Monitoring of the ADIRS Power Supply (115VAC-28VDC)

NOTE: Ignore all warnings / indications which are not related to this test.

ACTION	RESULT
1.On the panel 49VU (121VU): open the circuit breaker 4FP1 (4FP2). 2.On the SWITCHING PANEL 8VU: make sure that the ATT HDG selector switch is set to NORM. 3.On the ADIRS CDU: set the OFF/NAV/ATT selector switch related to the IR 1 (IR 2) to NAV.
set the SYS DISPLAY selector switch to 1 (2).	on the ADIRS CDU: * the related ALIGN legend is on, * the ON BAT light is on, * the related FAULT legend flashes. On the upper ECAM display unit, the IR 1 FAULT (IR 2 FAULT) warning comes into view. on the panels 130VU and 131VU, the MASTER CAUT lights are on. you can hear the single chime. after a time delay of 15 s, you can hear the horn.
4.On the panel 49VU (121VU), close the circuit breaker 4FP1 (4FP2).	on the ADIRS CDU, The related FAULT legend continues to flash. The ON BAT light goes off. The ALIGN legend stays on. The horn stops.
5.On the ADIRS CDU: set the OFF/NAV/ATT selector switch related to the IR 1 (IR 2) to OFF.	on the ADIRS CDU, the related FAULT legend continues to flash then goes off after a short time, on the upper ECAM display unit, the IR1 FAULT (IR2 FAULT) warning goes out of view. on the panels 130VU and 131VU the MASTER CAUT lights go off, on the ADIRS CDU, the related ALIGN legend goes off.
6.Do the IR 2 test as specified in para. 1 to 5.	You must get the same results on the F/O side.
7.On the ADIRS CDU: set the OFF/NAV/ATT selector switch related to the IR 1 (IR 2) to NAV.	On the ADIRS CDU: the related ALIGN legend comes on, then, the ON BAT light comes on during 5 s.
8.On the panel 49VU (121VU):
open the circuit breaker 4FP1 (4FP2).	on the ADIRS CDU, the ON BAT light comes on. in the nose gear wheel: * after a time delay of 15 s approx you can hear the horn. * on the door 121AL, on the panel 108VU, the ADIRU & AVNCS VENT light comes on. on the CAPT (F/O) PFD and ND, the attitude indications are shown.
9.On the panel 49VU (121VU):
close the circuit breaker 4FP1 (4FP2).	on the ADIRS CDU, the ON BAT light goes off. the horn stops.
10.On the ADIRS CDU: set the OFF/NAV/ATT selector switch related to the IR1 (IR2) to OFF.	On the ADIRS CDU: the ALIGN legend goes off.
11.Do the IR 2 test as specified in para. 7 to 10.	You must get the same results on the F/O side.
12.On the panel 121VU: open the circuit breaker 4FP3. 13.On the panel 8VU:
set the ATT HDG selector switch to CAPT/3.	on the CAPT PFD and ND the attitude and heading indications from the IR 1 are not shown.
14.On the ADIRS CDU: set the OFF/NAV/ATT selector switch related to the IR 3 to NAV.
set the SYS DISPLAY selector switch to 3.	on the ADIRS CDU: * the related ALIGN legend is on, * the ON BAT light is on. * the related FAULT legend flashes. on the upper ECAM display unit, the IR 3 FAULT warning comes into view. on the panels 130VU and 131VU, the MASTER CAUT lights are on. you can hear the single chime. after a time delay of 15 s, you can hear the horn.
15.On the panel 121VU:
close the circuit breaker 4FP3.	on the ADIRS CDU: * the related FAULT legend goes off. * the ON BAT light goes off. * the ALIGN legend stays on.
16.On the ADIRS CDU:
set the OFF/NAV/ATT selector switch related to the IR 3 to OFF.	on the ADIRS CDU: * the related FAULT legend continues to flash then goes off after a short time, * the ALIGN legend goes off.
17.On the ADIRS CDU:
set the OFF/NAV/ATT selector switch related to the IR 3 to NAV.	on the ADIRS CDU: * the ON BAT light comes on during 5 s. * then, the ALIGN legend comes on.
18.On the panel 121VU:
open the circuit breaker 4FP3.	on the ADIRS CDU, the ON BAT light comes on. in the nose gear well: * after a time delay of 15 s approx you can hear the horn. * on the door 121AL, on the panel 108VU, the ADIRU & AVNCS VENT light comes on. on the CAPT (F/O) PFD , the attitude indications stay in view.
19.On the panel 121VU: close the circuit breaker 4FP3.	on the ADIRS CDU, the ON BAT light goes off. the horn stops.
20.On the ADIRS CDU:
set the 3 OFF/NAV/ATT selector switches to OFF.	The related ALIGN legend goes off.
21.On the panel 8VU: set the ATT HDG selector switch to NORM.

Subtask 34-11-00-710-051-C ** ON A/C NOT FOR ALL

A. Test of the Monitoring of the ADIRS Power Supply (115VAC-28VDC)

NOTE: Ignore all warnings / indications which are not related to this test.

ACTION	RESULT
1.On overhead C/B panel 49VU (121VU): Open circuit breaker 4FP1 (4FP2). 2.On SWITCHING PANEL 8VU: Make sure that the ATT HDG selector switch is set to NORM.
3.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light is on. * The related FAULT legend flashes. On the upper ECAM display unit, IR1 FAULT (IR2 FAULT) warning comes into view. On the F/O and CAPT glareshield panels 130VU and 131VU, the MASTER CAUT lights are on. You can hear the single chime. After a time delay of 15 s, you can hear the horn.
4.On overhead C/B panel 49VU (121VU), close the circuit breaker 4FP1 (4FP2).	On ADIRS MSU panel 41VU: The related FAULT legend continues to flash. The ON BAT light goes off. The horn stops.
5.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to OFF.	On ADIRS MSU panel 41VU, the related FAULT legend continues to flash then goes off after a short time. On the upper ECAM display unit, IR1 FAULT (IR2 FAULT) warning goes out of view. On the F/O and CAPT glareshield panels 130VU and 131VU the MASTER CAUT lights go off.
6.Do IR2 test as specified in para. 1 to 5.	You must get the same results on the F/O side.
7.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to NAV.	On ADIRS MSU panel 41VU: The ON BAT light comes on during 5 s.
8.On overhead C/B panel 49VU (121VU):
Open circuit breaker 4FP1 (4FP2).	On ADIRS MSU panel 41VU, the ON BAT light comes on. In the nose gear wheel: * After a time delay of 15 s approx you can hear the horn. * On the door 121AL, on the external power panel 108VU, the ADIRU & AVNCS VENT light comes on. On the CAPT (F/O) PFD and ND, the attitude indications are shown.
9.On overhead C/B panel 49VU (121VU):
Close circuit breaker 4FP1 (4FP2).	On ADIRS MSU panel 41VU, the ON BAT light goes off. The horn stops.
10.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to OFF.
11.Do IR2 test as specified in para. 7 to 10.	You must get the same results on the F/O side.
12.On rear C/B panel 121VU: Open circuit breaker 4FP3. 13.On SWITCHING panel 8VU:
Set the ATT HDG selector switch to CAPT/3.	On the CAPT PFD and ND the attitude and heading indications from the IR1 are not shown.
14.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR3 to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light is on. * The related FAULT legend flashes. On the upper ECAM display unit, the IR3 FAULT warning comes into view. On the F/O and CAPT glareshield panels 130VU and 131VU, the MASTER CAUT lights are on. You can hear the single chime. After a time delay of 15 s, you can hear the horn.
15.On rear C/B panel 121VU:
Close circuit breaker 4FP3.	On ADIRS MSU panel 41VU: * The related FAULT legend goes off. * The ON BAT light goes off.
16.On ADIRS MSU panel 41VU:
Set the OFF/NAV/ATT selector switch related to IR3 to OFF.	On ADIRS MSU panel 41VU: * The related FAULT legend continues to flash then goes off after a short time.
17.On ADIRS MSU panel 41VU:
Set the OFF/NAV/ATT selector switch related to IR3 to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light comes on during 5 s.
18.On rear C/B panel 121VU:
Open circuit breaker 4FP3.	On ADIRS MSU panel 41VU, the ON BAT light comes on. In the nose gear well: * After a time delay of 15 s approx you can hear the horn. * On door 121AL, on the external power panel 108VU, the ADIRU & AVNCS VENT light comes on. On the CAPT (F/O) PFD, the attitude indications stay in view.
19.On rear C/B panel 121VU: Close circuit breaker 4FP3.	On ADIRS MSU panel 41VU, the ON BAT light goes off. The horn stops.
20.On ADIRS MSU panel 41VU:
Set the three OFF/NAV/ATT selector switches to OFF.
21.On SWITCHING panel 8VU: Set the ATT HDG selector switch to NORM.

Subtask 34-11-00-710-051-D ** ON A/C NOT FOR ALL

A. Test of the Monitoring of the ADIRS Power Supply (115VAC-28VDC)

NOTE: Ignore all warnings / indications which are not related to this test.

ACTION	RESULT
1.On overhead C/B panel 49VU (121VU): Open circuit breaker 4FP1 (4FP2). 2.On SWITCHING PANEL 8VU: Make sure that the ATT HDG selector switch is set to NORM.
3.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light is on. * The related FAULT legend flashes. On the upper ECAM display unit, IR1 FAULT (IR2 FAULT) warning comes into view. On the F/O and CAPT glareshield panels 130VU and 131VU, the MASTER CAUT lights are on. You can hear the single chime. After a time delay of 15 s, you can hear the horn.
4.On overhead C/B panel 49VU (121VU):
Close circuit breaker 4FP1 (4FP2).	On ADIRS MSU panel 41VU: * The related FAULT legend goes off. * The ON BAT light goes off. On the upper ECAM display unit, IR1 FAULT (IR2 FAULT) warning goes out of view. The horn stops.
5.On ADIRS MSU panel 41VU:
Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to OFF.
6.On the F/O and CAPT glareshield panels 130VU and 131VU:
Push and release the MASTER CAUT lights.	On the F/O and CAPT glareshield panels 130VU and 131VU, the MASTER CAUT lights go off.
7.Do IR2 test as specified in para. 1 to 6.	You must get the same results on the F/O side.
8.On ADIRS MSU panel 41VU:
Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light comes on during 5 s.
9.On overhead C/B panel 49VU (121VU):
Open circuit breaker 4FP1 (4FP2).	On ADIRS MSU panel 41VU, the ON BAT light comes on. In the nose gear well: * After a time delay of 15 s approx you can hear the horn. * On door 121AL, on the external power panel 108VU, the ADIRU & AVNCS VENT light comes on. On the CAPT (F/O) PFD, the attitude indications are shown.
10.On overhead C/B panel 49VU (121VU):
Close circuit breaker 4FP1 (4FP2).	On ADIRS MSU panel 41VU, the ON BAT light goes off. The horn stops.
11.On ADIRS MSU panel 41VU:
Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to OFF.	On the CAPT (F/O) PFD, the attitude indications go off.
12.Do IR2 test as specified in para. 8 to 11.	You must get the same results on the F/O side.
13.On rear C/B panel 121VU: Open circuit breaker 4FP3. 14.On SWITCHING panel 8VU:
Set the ATT HDG selector switch to CAPT/3.	On the CAPT PFD and ND the attitude and heading indications from IR1 are not shown.
15.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR3 to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light is on. * The related FAULT legend flashes. On the upper ECAM display unit, IR3 FAULT warning comes into view. On the F/O and CAPT glareshield panels 130VU and 131VU, the MASTER CAUT lights are on. You can hear the single chime. After a time delay of 15 s, you can hear the horn.
16.On rear C/B panel 121VU:
Close circuit breaker 4FP3.	On ADIRS MSU panel 41VU: * The related FAULT legend goes off. * The ON BAT light goes off. On the upper ECAM display unit, IR3 FAULT warning goes off.
17.On ADIRS MSU panel 41VU:
Set the OFF/NAV/ATT selector switch related to IR3 to OFF.
18.On the F/O and CAPT glareshield panels 130VU and 131VU:
Push and release the MASTER CAUT lights.	On the F/O and CAPT glareshield panels 130VU and 131VU, the MASTER CAUT lights go off.
19.On ADIRS MSU panel 41VU:
Set the OFF/NAV/ATT selector switch related to IR3 to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light comes on during 5 s.
20.On rear C/B panel 121VU:
Open circuit breaker 4FP3.	On ADIRS MSU panel 41VU, the ON BAT light comes on. In the nose gear well: * After a time delay of 15 s approx you can hear the horn. * On door 121AL, on the external power panel 108VU, the ADIRU & AVNCS VENT light comes on. On the CAPT (F/O) PFD, the attitude indications stay in view.
21.On rear C/B panel 121VU:
Close circuit breaker 4FP3.	On ADIRS MSU panel 41VU, the ON BAT light goes off. The horn stops.
22.On ADIRS MSU panel 41VU:
Set the three OFF/NAV/ATT selector switches to OFF.
23.On SWITCHING panel 8VU: Set the ATT HDG selector switch to NORM.

Subtask 34-11-00-710-051-E ** ON A/C NOT FOR ALL

A. Test of the Monitoring of the ADIRS Power Supply (115VAC-28VDC)

NOTE: Ignore all warnings / indications which are not related to this test.

ACTION	RESULT
1.On the overhead C/B panel 49VU (121VU): Open circuit breaker 4FP1 (4FP2). 2.On SWITCHING PANEL 8VU: Make sure that the ATT HDG selector switch is set to NORM.
3.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light is on. * The related FAULT legend flashes. On the upper ECAM display unit, IR1 FAULT (IR2 FAULT) warning comes into view. On the F/O and CAPT glareshield panels 130VU and 131VU, the MASTER CAUT lights are on. You can hear the single chime. After a time delay of 15 s, you can hear the horn.
4.On overhead C/B panel 49VU (121VU), close circuit breaker 4FP1 (4FP2).	On ADIRS MSU panel 41VU: The related FAULT legend continues to flash. The ON BAT light stays on. On the upper ECAM display unit, IR1 FAULT (IR2 FAULT) warning stays in view. You can hear the horn.
5.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to OFF.	On ADIRS MSU panel 41VU, the related FAULT legend continues to flash then goes off after a short time. On the upper ECAM display unit, IR1 FAULT (IR2 FAULT) warning goes out of view. On the F/O and CAPT glareshield panels 130VU and 131VU the MASTER CAUT lights go off.
6.Do IR2 test as specified in para. 1 to 5.	You must get the same results on the F/O side.
7.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to NAV.	On ADIRS MSU panel 41VU: The ON BAT light comes on during 5 s.
8.On overhead C/B panel 49VU (121VU):
Open circuit breaker 4FP1 (4FP2).	On ADIRS MSU panel 41VU, the ON BAT light comes on. In the nose gear wheel: * After a time delay of 15 s approx you can hear the horn. * On door 121AL, on the external power panel 108VU, the ADIRU & AVNCS VENT light comes on. On the CAPT (F/O) PFD and ND, the attitude indications are shown.
9.On overhead C/B panel 49VU (121VU):
Close circuit breaker 4FP1 (4FP2).	On ADIRS MSU panel 41VU, the ON BAT light goes off. The horn stops.
10.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR1 (IR2) to OFF.
11.Do IR2 test as specified in para. 7 to 10.	You must get the same results on the F/O side.
12.On rear C/B panel 121VU: Open circuit breaker 4FP3. 13.On SWITCHING panel 8VU:
Set the ATT HDG selector switch to CAPT/3.	On the CAPT PFD and ND the attitude and heading indications from IR1 are not shown.
14.On ADIRS MSU panel 41VU: Set the OFF/NAV/ATT selector switch related to IR3 to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light is on. * The related FAULT legend flashes. On the upper ECAM display unit, IR3 FAULT warning comes in view. On the F/O and CAPT glareshield panels 130VU and 131VU, the MASTER CAUT lights are on. You can hear the single chime. After a time delay of 15 s, you can hear the horn.
15.On rear C/B panel 121VU:
Close circuit breaker 4FP3.	On ADIRS MSU panel 41VU: * The related FAULT legend continues to flash. * The ON BAT light stays on. On the upper ECAM display unit, IR3 FAULT warning stays into view. You can hear the horn.
16.On ADIRS MSU panel 41VU:
Set the OFF/NAV/ATT selector switch related to IR3 to OFF.	On ADIRS MSU panel 41VU: * The related FAULT legend continues to flash then goes off after a short time.
17.On ADIRS MSU panel 41VU:
Set the OFF/NAV/ATT selector switch related to IR3 to NAV.	On ADIRS MSU panel 41VU: * The ON BAT light comes on during 5 s.
18.On rear C/B panel 121VU:
Open circuit breaker 4FP3.	On ADIRS MSU panel 41VU, the ON BAT light comes on. In the nose gear well: * After a time delay of 15 s approx you can hear the horn. * On door 121AL, on the external power panel 108VU, the ADIRU & AVNCS VENT light comes on. On the CAPT (F/O) PFD, the attitude indications stay in view.
19.On rear C/B panel 121VU: Close circuit breaker 4FP3.	On ADIRS MSU panel 41VU, the ON BAT light goes off. The horn stops.
20.On ADIRS MSU panel 41VU:
Set the three OFF/NAV/ATT selector switches to OFF.
21.On SWITCHING panel 8VU: Set the ATT HDG selector switch to NORM.

5. Close-up
Subtask 34-11-00-860-055-A

A. Put the aircraft back to its initial configuration.
(1) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(2) On the overhead panel:

On the FLT CTL panels 23VU and 24VU, make sure that the FAC, ELAC and SEC pushbutton switches are pushed. The off legends are off.

(3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

Subtask 34-11-00-410-052-A

B. Close Access
(1) Install the protective cover on the battery power center 105VU.
(2) Tighten the two screws.
(3) Close the access door 822.
(4) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.02 06:23:02 UTC