DOC AIRBUS | TSM A320FFailure of the Current Acquisition Circuit of the BCL 1
TASK 24-38-00-810-804-A
Failure of the Current Acquisition Circuit of the BCL 1
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 24-38-00-710-056-A 4. Fault Isolation
Subtask 24-38-00-810-053-A
[Rev.8 from Aug 2018]
2026.04.04 04:26:47 UTC
Failure of the Current Acquisition Circuit of the BCL 1
1. Possible Causes
- SHUNT-BAT 1 [3PB1]
- BCL-1 [1PB1]
wiring from the battery 1 shunt to the pins A/L, A/M and A/N of the BCL 1
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 24-38-00-710-001 | Operational Test of the Battery Charge Limiter (BCL), (with the CFDS) |
| ASM 243801 | |
| AMM 24-38-34-000-001 | Removal of the Battery Charge Limiter (BCL) |
| AMM 24-38-34-400-001 | Installation of the Battery Charge Limiter (BCL) |
Subtask 24-38-00-710-056-A 4. Fault Isolation
Subtask 24-38-00-810-053-A
A. If the test gives the maintenance message SHUNT 3PB1/BCL1 CIRCUIT:
Subtask 24-38-00-710-057-A - replace the SHUNT-BAT 1 [3PB1] .
- replace the BCL-1 [1PB1] AMM 24-38-34-000-001 and AMM 24-38-34-400-001.
- do a check and repair the
wiring from the battery 1 shunt to the pins A/L, A/M and A/N of the BCL 1 ASM 243801.
B. Do the test given in Para. 3.