1. Possible Causes
_______________
 - CFDIU (1TW)

 - BCL-1 (1PB1)

 - wiring from the CFDIU (1TW) to the BCL1 (1PB1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-38-34-000-001 Removal of the Battery Charge Limiter (BCL) (1PB1, 1PB2) AMM 24-38-34-400-001 Installation of the Battery Charge Limiter (BCL)
 (1PB1, 1PB2)
 AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
 AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
 AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
 ASM 31-32/06

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R 105VU ELEC/BAT REF/BCL1 9PB1 F01 R 105VU ELEC/BAT BUS/REF/BCL1 8PB1 G01 R
 B. Test On the CFDS MENU page, get access to the AVIONICS STATUS page (Ref. AMM TASK 31-32-00-869-002).

 4. Fault Isolation
_______________

 A. If the test gives the maintenance message NO BCL 1 DATA:
 - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
 (1) If the fault continues:
 - replace the BCL-1 (1PB1), (Ref. AMM TASK 24-38-34-000-001) and (Ref. AMM TASK 24-38-34-400-001).
 (a) If the fault continues:
 - do a check and repair the wiring from the CFDIU (1TW) to the BCL1 (1PB1) from pins AA/7H, 7J to pins A/T, U , (Ref. ASM 31-32/06).
 B. Do the test given in Para. 3.B.

 Loss of the Bus Output from the BCL 2 to the CFDIU
 1. Possible Causes
_______________
 - CFDIU (1TW)

 - BCL-2 (1PB2)

 - wiring from the CFDIU (1TW) to the BCL 2 (1PB2)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-38-34-000-001 Removal of the Battery Charge Limiter (BCL) (1PB1, 1PB2) AMM 24-38-34-400-001 Installation of the Battery Charge Limiter (BCL)
 (1PB1, 1PB2)
 AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
 AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
 AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
 ASM 31-32/06

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R 105VU ELEC/BAT REF/BCL2 9PB2 F02 R 105VU ELEC/BAT BUS/REF/BCL2 8PB2 J02 R
 B. Test On the CFDS MENU page, get access to the AVIONICS STATUS page (Ref. AMM TASK 31-32-00-869-002).

 4. Fault Isolation
_______________

 A. If the test gives the maintenance message NO BCL 2 DATA:
 - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
 (1) If the fault continues:
 - replace the BCL-2 (1PB2), (Ref. AMM TASK 24-38-34-000-001) and (Ref. AMM TASK 24-38-34-400-001).
 (a) If the fault continues:
 - do a check and repair the wiring from the CFDIU (1TW) to the BCL 2 (1PB2) from pins AB/7B, 7C to pins A/T, U , (Ref. ASM 31-32/06).
 B. Do the test given in Para. 3.B.

R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-228, 301-302,
 TASK 31-32-00-810-812
 Loss of the Bus Output from the GPCU to the CFDIU
 1. Possible Causes
_______________
 - CFDIU (1TW)

 - GPCU (1XG)

 - ELEC/GPCU (7XG)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-41-34-000-001 Removal of the Ground Power Control Unit (GPCU) (1XG) AMM 24-41-34-400-001 Installation of the Ground Power Control Unit (GPCU)
　
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