W DOC AIRBUS | TSM A320F

Failure of the Electrical Wiring between the BCL 1 and Bus 3PP


TASK 24-38-00-810-809-A
Failure of the Electrical Wiring between the BCL 1 and Bus 3PP


1. Possible Causes
  • P/BSW-ELEC/BAT1
  • aircraft wiring
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 24-38-00-710-001
Operational Test of the Battery Charge Limiter (BCL), (with the CFDS)
ASM 243801
3. Fault Confirmation
Subtask 24-38-00-710-066-A
A. Test
Do the operational test of the BCL 1 AMM 24-38-00-710-001.
4. Fault Isolation
Subtask 24-38-00-810-058-B
A. If the test gives the maintenance message CHECK DC BAT BUS 3PP/BCL 1 CIRCUIT:
  • do a check of the status of the circuit breaker 8PB1.
   (1) If the circuit breaker is closed:
     (a) If the fault continues:
  • do a check and repair the aircraft wiring from the battery 1 line contactor pin A/F to the BCL 1 pin A/A, ELEC/BAT 1 pushbutton switch and circuit breaker (8PB1) included, ASM 243801.
   (2) If the circuit breaker is open:
  • close it.
Subtask 24-38-00-710-067-A
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:26:47 UTC