Maintenance Test Procedure for BCL
 Figure 006
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| ATA REF. | MESSAGE | CLASS | COMMENT | |----------|----------------------|-------|-----------------------------------| | | | | -RAT/EMER GEN/FAULT control | | | | | (internal to BCL) | |----------|----------------------|-------|-----------------------------------| | 33-14-00 | BOARD 5LP/BCL1 | III | Failure of BAT FAULT indication | | | (or BCL2) CIRCUIT | | circuit | |----------|----------------------|-------|-----------------------------------| | 24-24-00 | RELAY 31XE/BCL1 | III | Failure of RAT/EMER GEN/FAULT | | | (or BCL2) CIRCUIT | | indication circuit | |----------|----------------------|------ |-----------------------------------| | 32-62-00 | CHECK LGCIU1/BCL1 | III | Failure of nose L/G locked up | | | (or BCL2) CIRCUIT | | information | |----------|----------------------|-------|-----------------------------------| | 24-38-00 | BCL1 (or BCL2) | III | Ground/flight ADIRU or LGCIU | | | LGCIU/ADIRU1 | | information disagree | | | SIGNAL DISAGREE | | | |----------|----------------------|-------|-----------------------------------| | 24-34-55 | CHECK CONTACTOR | III | Failure of ESS TR contactor | | | 3PE/BCL1 (or BCL2) | | status circuit | | | CIRCUIT | | | |----------|----------------------|-------|-----------------------------------| | 24-38-00 | CHECK HOT BUS 701PP | III | Failure of voltage from HOT bus | | | (or 702PP)/ BCL1 | | | | | (or BCL2) CIRCUIT | | | |----------|----------------------|-------|-----------------------------------| | 24-25-00 | RELAYS 15XC or 16XC/ | III | Failure of emergency | | | BCL1 (or BCL2) | | configuration information | | | CIRCUIT | | | |----------|----------------------|-------|-----------------------------------| | 24-38-00 | CHECK HOT BUS POWER | III | Abnormal consumption on HOT bus | | | CONSUMPTION | | | |-----------------------------------------------------------------------------| DC GENERATION - BATTERIES - ADJUSTMENT/TEST

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 TASK 24-38-00-710-001
 Operational Test of the Battery Charge Limiter (BCL), (with the CFDS)
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 243800-01 Operational test of the BITE function of the BCL. Make sure that the FAULT legends of the BAT pushbutton switches and the RAT & EMER GEN annunciator come on.
 NOTE : If the CFDS is not available, there is an alternative method for this
____ procedure. This task gives the first method. For the alternative method, refer to the other task in this page block.
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 1.8 m (5 ft. 11 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 31-32-00-860-004 Procedure to Get Access to the SYSTEM REPORT/TEST/ELEC Page

 3. Job Set-up__________
 Subtask 24-38-00-860-051
 A. Aircraft Maintenance Configuration
 (1) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
 (2) In the cockpit, on the overhead panel 35VU, make sure that the BAT 1 and BAT 2 pushbutton switches are released. (On these pushbutton switches, the OFF legend is on).
 (3) On the MCDU, on the SYSTEM REPORT/TEST page, get the ELEC menu (Ref. TASK 31-32-00-860-004).
 Subtask 24-38-00-010-051
 B. Get access to the Avionics Compartment
 (1) Put an access platform at the avionics compartment doors 812 and 822.
 (2) Open the access doors 812 and 822.
 (3) Open the access panels of the AC/DC emergency power center 106VU and BATTERY power center 105VU.
 Subtask 24-38-00-865-050
 C. Make sure that this(these) circuit breaker(s) is(are) closed:
R R R R R  -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------105VU ELEC/HOT BUS/702PP SPLY 5PB2 D02 105VU ELEC/HOT BUS/701PP SPLY 5PB1 D01 105VU ELEC/BAT REF/BCL2 9PB2 F02 105VU ELEC/BAT REF/BCL1 9PB1 F01 105VU ELEC/BAT BUS/REF/BCL1 8PB1 G01 105VU ELEC/BAT BUS/REF/BCL2 8PB2 J02 106VU CSM/G /EV/MAN/SPLY 6XE B04 125VU BAT BUS/301PP/SPLY 11PB CC01
　
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