W DOC AIRBUS | AMM A320F

Operational Test of the Battery-Bus powered PA

TASK 23-73-00-710-006-A
Operational Test of the Battery-Bus powered PA

1. Reason for the Job
This procedure gives the instructions necessary to make sure that the Passenger Address (PA) system operates on the battery bus.
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
TASK 23-73-00-861-001-A
Energize the Cabin Intercommunication Data System (CIDS)
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 23-73-00-860-077-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) Make sure that the Cabin Intercommunication Data System (CIDS) is energized
(Ref. AMM TASK 23-73-00-861-001).
   (3) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
   (4) Make sure that the EMER EXIT LT switch 4WL on the overhead panel 25VU is in the OFF position.
   (5) Make sure that during the test procedure normal power is available.
Subtask 23-73-00-865-056-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VULIGHTING/EMER LT/CABIN2WLH06
49VULIGHTING/EMER LT/CABIN1WLH05
** ON A/C NOT FOR ALL
49VULIGHTING/EMER LT/CABIN2WLH04
49VULIGHTING/EMER LT/CABIN1WLH03
4. Procedure
Subtask 23-73-00-710-147-A ** ON A/C NOT FOR ALL
A. Do this test
ACTION
RESULT
1.In the cockpit, on the C/B panel 121VU:

  • open the C/Bs
    DIR 1 AND 2/BAT 140RH,
    DEU B/BAT 143RH,
    DEU A/BAT/LINE 1 144RH,
    DEU A/BAT/LINE 2 145RH,
    DIR 1 AND 2/NORM 151RH,
    DEU B/NORM 162RH,
    DEU A/NORM 163RH to 168RH.

2.In the cockpit:
In the cabin and at all attendant stations:
  • lift the handset from the cradle.

  • push and hold the PTT switch and make an announcement.
  • you hear the announcement.
  • release the PTT switch and put the handset back in the cradle.

3.In the cockpit, on the C/B panel 121VU:

  • close the C/Bs
    DIR 1 AND 2/BAT 140RH,
    DEU B/BAT 143RH,
    DEU A/BAT/LINE 1 144RH,
    DEU A/BAT/LINE 2 145RH.

4.In the cockpit, on the C/B panel 49VU:

  • open the C/Bs
    DIR 1 AND 2/ESS 150RH,
    DEU B/ESS 153RH,
    DEU A/ESS/LINE 1 154RH,
    DEU A/ESS/LINE 2 155RH.

5.In the cockpit, on the overhead panel 25VU:

  • set the EMER EXIT LT switch 4WL to the ARM position.
NOTE: Do not set the EMER EXIT LT switch 4WL to the ON position, because the emergency lighting batteries will discharge.

6.In the cockpit:
In the cabin and at all attendant stations:
  • lift the handset from the cradle.

  • push and hold the PTT switch and make an announcement
  • you hear the announcement.
7.In the cockpit, on the C/B panel 49VU:

  • close the C/B DIR 1 AND 2/ESS 150RH.

8.Through the cockpit handset:

  • push and hold the PTT switch and make an announcement.
  • you do not hear the announcement.
9.In the cockpit, on the C/B panel 49VU:

  • open the C/B DIR 1 AND 2/ESS 150RH.

10.In the cockpit, on the C/B panel 121VU:

  • close the C/B DIR 1 AND 2/NORM 151RH.

11.Through the cockpit handset:

  • push and hold the PTT switch and make an announcement.
  • you do not hear the announcement.
  • release the PTT switch and put the handset back in the cradle.

12.In the cockpit, on the overhead panel 25VU:

  • set the EMER EXIT LT switch 4WL to the OFF position.

13.In the cockpit, on the C/B Panel 121VU:

  • close the C/Bs
    DEU B/NORM 162RH,
    DEU A/NORM 163RH to 168RH.

14.In the cockpit, on the C/B Panel 49VU:

  • close the C/Bs
    DIR 1 AND 2/ESS 150RH,
    DEU B/ESS 153RH,
    DEU A/ESS/LINE 1 154RH,
    DEU A/ESS/LINE 2 155RH.

Subtask 23-73-00-710-147-B ** ON A/C NOT FOR ALL
A. Do this test
ACTION
RESULT
1.In the cockpit, on the C/B panel 121VU:

  • open the C/Bs
    DIR 1 /BAT 147RH,
    DIR 2 /BAT 146RH,
    DEU B/BAT 143RH,
    DEU A/BAT/LINE 1 144RH,
    DEU A/BAT/LINE 2 145RH,
    DIR 1/NORM 151RH,
    DIR 2/NORM 156RH,
    DEU B/NORM 162RH,
    DEU A/NORM 163RH to 166RH.

2.In the cabin, on the C/B panel 2001VU:

  • open the C/Bs
    CIDS/DEU A NORM MID 2 LH 175RH,
    CIDS/DEU A NORM MID 2 RH 176RH,
    CIDS/DEU A NORM AFT LH 173RH,
    CIDS/DEU A NORM AFT RH 174RH.

3.In the cockpit:
In the cabin and at all attendant stations:
  • lift the handset from the cradle.

  • push and hold the PTT switch and make an announcement.
  • you hear the announcement.
  • release the PTT switch and put the handset back in the cradle.

4.In the cockpit, on the C/B panel 121VU:

  • close the C/Bs
    DIR 1/BAT 147RH,
    DIR 2/BAT 146RH,
    DEU B/BAT 143RH,
    DEU A/BAT/LINE 1 144RH,
    DEU A/BAT/LINE 2 145RH.

5.In the cockpit, on the C/B panel 49VU:

  • open the C/Bs
    DIR 1/ESS 150RH,
    DIR 2/ESS 157RH,
    DEU B/ESS 153RH,
    DEU A/ESS/LINE 1 154RH,
    DEU A/ESS/LINE 2 155RH.

6.In the cockpit, on the overhead panel 25VU:

  • set the EMER EXIT LT switch 4WL to the ARM position.
NOTE: Do not set the EMER EXIT LT switch 4WL to the ON position, because the emergency lighting batteries will discharge.

7.In the cockpit:
In the cabin and at all attendant stations:
  • lift the handset from the cradle.

  • push and hold the PTT switch and make an announcement
  • you hear the announcement.
8.In the cockpit, on the C/B panel 49VU:

  • close the C/B DIR 1/ESS 150RH.

9.Through the cockpit handset:

  • push and hold the PTT switch and make an announcement.
  • you do not hear the announcement.
10.In the cockpit, on the C/B panel 49VU:

  • open the C/B DIR 1/ESS 150RH.

11.In the cockpit, on the C/B panel 121VU:

  • close the C/B DIR 1/NORM 151RH.

12.Through the cockpit handset:

  • push and hold the PTT switch and make an announcement.
  • you do not hear the announcement.
  • release the PTT switch and put the handset back in the cradle.

13.In the cockpit, on the overhead panel 25VU:

  • set the EMER EXIT LT switch 4WL to the OFF position.

14.In the cockpit, on the C/B panel 121VU:

  • close the C/Bs
    DIR 2/NORM 156RH,
    DEU B/NORM 162RH,
    DEU A/NORM 163RH to 166RH.

15.In the cabin, on the C/B panel 2001VU:

  • close the C/Bs
    CIDS/DEU A NORM MID 2 LH 175RH,
    CIDS/DEU A NORM MID 2 RH 176RH,
    CIDS/DEU A NORM AFT LH 173RH,
    CIDS/DEU A NORM AFT RH 174RH.

16.In the cockpit, on the C/B panel 49VU:

  • close the C/Bs
    DIR 1/ESS 150RH,
    DIR 2/ESS 157RH,
    DEU B/ESS 153RH,
    DEU A/ESS/LINE 1 154RH,
    DEU A/ESS/LINE 2 155RH.

5. Close-up
Subtask 23-73-00-860-078-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
   (1) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002)
   (2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002)
[Rev.10 from 2021] 2026.04.02 06:12:25 UTC
"WTRUIB" 2025