Failure of the Supply from the HOT BUS (702PP)

TASK 24-38-00-810-825-A
Failure of the Supply from the HOT BUS (702PP)

1. Possible Causes

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 243802
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)

3. Fault Confirmation
Subtask 24-38-00-710-090-A

A. Test
Do the operational test of the BCL2 AMM 24-38-00-710-001.

4. Fault Isolation
Subtask 24-38-00-810-074-A

A. If the test gives the maintenance message CHECK HOT BUS 702PP/BCL2 CIRCUIT:

do a check of the wiring for open circuit between the circuit breaker BAT REF/BCL2 (9PB2) and the pin A/C of the BCL2 ASM 243802.

(1) If the wiring is not correct:

(2) If the wiring is correct:

(3) If the fault continues:

Subtask 24-38-00-710-091-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:26:48 UTC