3. Fault Confirmation
__________________
 A. Do the operational test Check Battery Capacity via MCDU (Ref. AMM TASK 33-51-00-710-011).
 4. Fault Isolation
_______________
 A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
 B. If the operational test gives the maintenance message:
 (1) BAT/EPSU(12WL)EMER R:
 - do the Operational Test of the Emergency Lights via MCDU (Ref. AMM TASK 33-51-00-710-010).
 C. If the test gives the maintenance message:
 (1) BAT/EPSU(12WL)EMER R:
 - replace the battery of EPSU 12WL (Ref. AMM TASK 33-51-38-000-002) and (Ref. AMM TASK 33-51-38-400-002).
 (a) If the fault continues:
 - replace the EPSU (12WL) (Ref. AMM TASK 33-51-38-000-001) and (Ref. AMM TASK 33-51-38-400-001).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 301-399, 401-499, ∞∞33-51-00∞∞∞∞∞∞∞∞∞∞Page A273
 Aug 01/05 CES

 D. Do the test given in para. 3.

 5. Close-up
________
 A. Put the aircraft back to its initial configuration.

 TASK 33-51-00-810-857

 Failure of the Battery of EPSU 13WL
 1. Possible Causes
_______________
 - battery of EPSU 13WL

 - EPSU (13WL)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 33-51-00-710-010 Operational Test of the Emergency Lights via MCDU AMM 33-51-00-710-011 Check Battery Capacity via MCDU AMM 33-51-38-000-001 Removal of the Emergency Power-Supply Unit (EPSU) AMM 33-51-38-000-002 Removal of the Battery of the Emergency Power-Supply
 Unit
 AMM 33-51-38-400-001 Installation of the Emergency Power-Supply Unit
 (EPSU)
 AMM 33-51-38-400-002 Installation of the Battery of the Emergency
 Power-Supply Unit

 3. Fault Confirmation
__________________
 A. Do the operational test Check Battery Capacity via MCDU (Ref. AMM TASK 33-51-00-710-011).
 4. Fault Isolation
_______________
 A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
 B. If the operational test gives the maintenance message:
 (1) BAT/EPSU(13WL)AFT L:
 - do the Operational Test of the Emergency Lights via MCDU (Ref. AMM TASK 33-51-00-710-010).
 C. If the test gives the maintenance message:
 (1) BAT/EPSU(13WL)AFT L:
 - replace the battery of EPSU 13WL (Ref. AMM TASK 33-51-38-000-002) and (Ref. AMM TASK 33-51-38-400-002).
 (a) If the fault continues:
 - replace the EPSU (13WL) (Ref. AMM TASK 33-51-38-000-001) and (Ref. AMM TASK 33-51-38-400-001).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 301-399, 401-499, ∞∞33-51-00∞∞∞∞∞∞∞∞∞∞Page A275
 Aug 01/05 CES D. Do the test given in para. 3.

 5. Close-up
________
 A. Put the aircraft back to its initial configuration.

 TASK 33-51-00-810-858

 Failure of EPSU 11WL to communicate with the CIDS
 1. Possible Causes
_______________
 - EPSU (11WL)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 33-51-00-710-010 Operational Test of the Emergency Lights via MCDU AMM 33-51-38-000-001 Removal of the Emergency Power-Supply Unit (EPSU) AMM 33-51-38-400-001 Installation of the Emergency Power-Supply Unit
 (EPSU)
 ASM 33-51/02

 3. Fault Confirmation
__________________
 A. Do the operational test of the Emergency Lights via MCDU (Ref. AMM TASK 33-51-00-710-010).
 4. Fault Isolation
_______________
 A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
 B. If the operational test gives the maintenance message:
 (1) EPSU(11WL)FWD L/DEU B(300RH6):
　
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