A320飞机维护手册 AMM 指示/记录系统 7(83)

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 - again push and release the  - the DUs go to their initial
 PFD/ND/XFR pushbutton switch.  configuration.
 4. On the rear C/B breaker panel
 121VU:
 - open the circuit breaker 10WT3.  - INVALID DATA message comes into view
 on the CAPT ND and PFD.
 - on the upper ECAM DU, the ENGINE
 WARNING image shows the indication:
 EIS DMC 1 FAULT
 --- DMC 3 FAULT
 5. On the rear C/B breaker panel
 122VU:
 - open the circuit breaker 17XN1.  - on the CAPT PFD and ND:
 * After approximately 35s, INVALID
 DATA message goes out of view and the
 DUs show their image.
 - on the upper ECAM DU:
 * the ELEC AC BUS 1 FAULT indication
 comes into view.
 * the EIS DMC 1 FAULT is still
 displayed
 * DMC 3 FAULT is not displayed any
 more.
 6. On the panels 121VU and 122VU:
 - close the circuit breaker 10WT3  - on the two DUs, the related images of
 and then the 17XN1.  each DU stay in view.
 - the ELEC AC BUS 1 FAULT goes out of
 view.
 7. On the overhead C/B panel 49VU:
 - close the circuit breaker  - on the Upper ECAM DU:
 10WT1.  * After approximately 35s, the EIS
 DMC 1 FAULT indication goes out of
 view. 

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 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
8. On the SWITCHING panel 8VU:
 -set the EIS DMC selector switch to NORM.
 9.
 On the rear C/B panel 121VU: - open the circuit breaker 10WT2.

10.
 On the SWITCHING panel 8VU:

 -set the EIS DMC selector switch to F/O/3.
11. On the rear C/B panel 121VU:
 -close the circuit breaker 10WT2.
12. On the SWITCHING panel 8VU:
 -set the EIS DMC selector switch to NORM.
* the MASTER CAUT light goes off.

-there is no change.
-INVALID DATA message comes into view on the F/O PFD and ND.
 - on the upper ECAM DU, the indication comes into view:
 * EIS DMC 2 FAULT - on the glareshield:
 * the MASTER CAUT lights come on, you can hear the single chime.
-INVALID DATA message goes out of viewand the DUs show their image.
- on the upper ECAM DU:
*
 After approximately 35s, the EIS DMC 2 FAULT indication goes out of view.

 *
 the MASTER CAUT light goes off.

-there is no change.
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 E. Automatic Upper DU/Lower DU Transfer
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the center pedestal, on the ECAM control panel:
 -set the UPPER DISPLAY  - the upper ECAM DU is stopped.
 potentiometer to OFF.  - the ENGINE/WARNING image goes to the lower ECAM DU.
 5. Close-up
________ Subtask 31-60-00-869-074
 A. Put the aircraft back to its initial configuration.
 (1)
 Do the EIS Stop Procedure (Ref. TASK 31-60-00-860-002)

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

 

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 Operational Test of the DMC3 Power Supply Transfer when the 101XP BUSBAR is Lost
 1.
 Reason for the Job

__________________
 Refer to the MPD TASK: 315000-04

 2.
 Job Set-up Information

______________________
 A. 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 31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure
 3. Job Set-up
__________ Subtask 31-60-00-860-093
 A. Aircraft Maintenance Configuration
 (1)
 Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002)
　
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