DOC AIRBUS | TSM A320FFailure of the BAT 1 Pushbutton Switch Circuit
TASK 24-38-00-810-808-A
Failure of the BAT 1 Pushbutton Switch Circuit
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 24-38-00-710-064-A 4. Fault Isolation
Subtask 24-38-00-810-057-A
[Rev.8 from Aug 2018]
2026.04.04 04:26:47 UTC
Failure of the BAT 1 Pushbutton Switch Circuit
1. Possible Causes
P/BSW-ELEC/BAT 1 - BCL-1 [1PB1]
- wiring
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 24-38-00-710-064-A 4. Fault Isolation
Subtask 24-38-00-810-057-A
A. If the test gives the maintenance message PUSH BUT 7PB1/BCL1 CIRCUIT:
Subtask 24-38-00-710-065-A - replace the
P/BSW-ELEC/BAT 1 .
- 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 ELEC/BAT 1 pushbutton switch pin A/A1 to the BLC 1 pin A/F and from the ELEC/BAT 1 pushbutton switch pin A/A3 to the ground ASM 243801.
B. Do the test given in Para. 3.