DOC AIRBUS | AMM A320FPower-up (BITE) Test of the Cargo-Compartment Heating Controller
TASK 21-43-00-740-002-A
Power-up (BITE) Test of the Cargo-Compartment Heating Controller
1. Reason for the Job
Referenced from the TSM.
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 21-43-00-861-067-A ** ON A/C NOT FOR ALL Subtask 21-43-00-865-084-A ** ON A/C NOT FOR ALL
Subtask 21-43-00-710-061-A ** ON A/C NOT FOR ALL
Subtask 21-43-00-860-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:11:18 UTC
Power-up (BITE) Test of the Cargo-Compartment Heating Controller
1. Reason for the Job
Referenced from the TSM.
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 31-60-00-860-001-A | EIS Start Procedure |
| TASK 31-60-00-860-002-A | EIS Stop Procedure |
Subtask 21-43-00-861-067-A ** ON A/C NOT FOR ALL Subtask 21-43-00-865-084-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
Subtask 21-43-00-865-094-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT & HTG/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/FWD CARGO/VENT/CTL & MONG | 2HN | C08 |
C. Make sure that this(these) circuit breaker(s) is(are) closed:
Subtask 21-43-00-860-054-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/AFT CARGO/VENT & HTG/CTL & MONG | 31HN | C07 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/FWD CARGO/VENT/CTL & MONG | 2HN | C08 |
D. Aircraft Maintenance Configuration
(1) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(2) Call up the COND page on the ECAM lower display unit.
4. Procedure(1) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(2) Call up the COND page on the ECAM lower display unit.
Subtask 21-43-00-710-061-A ** ON A/C NOT FOR ALL
A. CHC (FWD Cargo Compartment) Power-up Test
(1) Open the circuit breaker 2HN for a least 1 second.
(2) Close the circuit breaker 2HN.
Subtask 21-43-00-710-061-B ** ON A/C NOT FOR ALL (1) Open the circuit breaker 2HN for a least 1 second.
(2) Close the circuit breaker 2HN.
NOTE: This will do a power-up (BITE) test of the CHC.
A. CHC (AFT Cargo Compartment) Power-up Test
(1) Open the circuit breaker 31HN for a least 1 second.
(2) Close the circuit breaker 31HN.
5. Close-up(1) Open the circuit breaker 31HN for a least 1 second.
(2) Close the circuit breaker 31HN.
NOTE: This will do a power-up (BITE) test of the CHC.
Subtask 21-43-00-860-055-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
Subtask 21-43-00-862-066-A ** ON A/C NOT FOR ALL (1) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).