Operational Test of the Power Interlocks and Status Monitoring A320
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
| Ref. 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| Ref. 24-41-00-861-002-A01 | Energize the Aircraft Electrical Circuits from the APU |
| Ref. 24-41-00-861-002-A02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| Ref. 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| Ref. 24-41-00-862-002-A01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| Ref. 24-41-00-862-002-A02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| Ref. 31-32-00-860-008-A | Procedure to Get Access to the SYSTEM REPORT/TEST/INST Page |
| Ref. 31-60-00-860-001-A | EIS Start Procedure |
| Ref. 31-60-00-860-002-A | EIS Stop Procedure |
3. Job Set-up
SUBTASK 31-33-00-861-050-A
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 31-33-00-865-050-A
B. Make sure that this(these) circuit breaker(s) is(are) closed:
| PANEL | DESIGNATION | FIN | LOCATION |
| 49VU | COM/CVR/CTL | 4RK | E13 |
| 121VU | RCDR/ACCLRM | 9TU | K18 |
| 121VU | AIDS & RCDR/QAR | 14TU | K17 |
| 121VU | RCDR/DFDR | 7TU | K16 |
| 121VU | AIDS & RCDR/FDIMU | 5TV | K15 |
4. Procedure
SUBTASK 31-33-00-710-050-C
A. Do the Power Interlocks and System Monitoring Test
| ACTION | RESULT |
| 1.On the control panel 21VU: | On the control panel 21VU: |
| -Push the 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 shows. |
| -Push the line key adjacent to the <CFDS. | -The CFDS page shows. |
| -Push the line key adjacent to the <SYSTEM REPORT/TEST. | -The SYSTEM REPORT/TEST page shows. |
| -Push the line key adjacent to the INST>. | -The SYSTEM REPORT/TEST INST page shows. |
| -Push the line key adjacent to the <FDIU. | -The DFDRS menu shows. |
| -Push the line key adjacent to the <GND SCANNING. | -The GROUND SCANNING page shows with 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 the GND CTL button. | -The blue ON legend goes off. |
5. Close-up
SUBTASK 31-33-00-862-051-A
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.
