1. Possible Causes

_______________

 2. Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM  24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
 3. Fault Confirmation
__________________
 A. Job Set-Up
 (1) Aircraft Maintenance Configuration
 (a) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002)

 (b) Make sure that the aircraft is in the ground condition with the engines stopped.

 (c) On the FCU, make sure that the two FD pushbutton switches are released.

 B. Test
 (1) Not applicable.
 4. Fault Isolation
_______________
 A. Table of the circuit breakers used in this procedure:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FMGC/1 10CA1 B02 121VU AUTO FLT/FMGC/2 10CA2 M17
 Aug 01/05R CES

 B. Do the procedure: Note: Do not do a reset of the FMGC circuit breakers until the power-up test is completed (approximately 2 minutes).
 (1) If there is an electrical transient effect on one FMGC:
 - for the FMGC 1 (1CA1), open the circuit breaker (10CA1) and after 5 seconds close it.

 - for the FMGC 2 (1CA2): pull the circuit breaker (10CA2) and after 5 seconds close it.

 (a) If the fault continues:
 - open the the two circuit breakers (10CA1 and 10CA2) at the same time and after 5 seconds close them at the same time.
 5. Close-up
________
 A. Put the aircraft back to its initial configuration.
 (1) On the FCU, push the two FD pushbutton switches after 10 seconds.

 (2) De-energize the aircraft electrical circuits
 (Ref. AMM TASK 24-41-00-862-002)

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞22-83-00∞∞∞∞∞∞∞∞∞∞Page A216
 Aug 01/05R
 CES  Failure of the FMGC1 for the Cabin Pressure Controller

 1. Possible Causes
_______________
 - FMGC-1 (1CA1)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 21-31-00-710-002 Operational Test of the Pressure Control and
 Monitoring AMM 22-83-34-000-001 Removal of the FMGC (1CA1,1CA2) AMM 22-83-34-400-001 Installation of the FMGC (1CA1,1CA2)
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the pressure control and monitoring (Ref. AMM TASK 21-31-00-710-002).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message FMGS1 OUT OF RANGE:
 - replace the FMGC-1 (1CA1) (Ref. AMM TASK 22-83-34-000-001) and (Ref. AMM TASK 22-83-34-400-001).
 B. Do the test given in Para. 3.

 Failure of the FMGC2 for the Cabin Pressure Controller
 1. Possible Causes
_______________
 - FMGC-2 (1CA2)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 21-31-00-710-002 Operational Test of the Pressure Control and
 Monitoring AMM 22-83-34-000-001 Removal of the FMGC (1CA1,1CA2) AMM 22-83-34-400-001 Installation of the FMGC (1CA1,1CA2)
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the pressure control and monitoring (Ref. AMM TASK 21-31-00-710-002).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message FMGS2 OUT OF RANGE:
　
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