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�� The AFFECTED DU IS BLANK or the DISPLAY IS DISTORTED:
DU (affected)................................................................................................................. AS RQRD
The DU can be switched off.
ECAM/ND XFR (if the ECAM DUs are affected)................................................................... USE
Transfer SD to F/O or CAPT ND.
PFD/ND XFR (if the EFIS DUs are affected).........................................................................USE
�� DIAGONAL LINE ON THE AFFECTED DU:
This failure may be because of a DMC FAULT, or a communication interruption between the
DMC and DU.
EIS DMC SWITCHING..................................................................................................AS RQRD
�� If unsuccessful:
DU (affected).................................................................................................. OFF THEN ON
Note: The ND display may disappear, if too many waypoints and associated information
are displayed. Reduce the range, or deselect WPT or CSTR, and the display will
automatically recover, after about 30 s.
�� INVERSION OF THE EWD AND THE SD:
ECAM UPPER DISPLAY .....................................................................................OFF THEN ON
The same action on the EIS DMC SWITCHING selector produces the same effect.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
INDICATING / RECORDING SYSTEMS
A318/A319/A320/A321 FLEET PRO-ABN-31 P 23/24
FCOM 19 AUG 10
DISPLAY UNIT FAILURE
Applicable to:
,
,
MSN,,,,
�� The DU is blank (with or without a large letter “F” in amber), or the display is distorted:
DU (affected)................................................................................................................. AS RQRD
The DU can be switched off.
ECAM/ND XFR (if the ECAM DUs are affected)................................................................... USE
Transfer SD to F/O or CAPT ND.
PFD/ND XFR (if the EFIS DUs are affected).........................................................................USE
�� INVALID DISPLAY UNIT message is displayed:
This may be caused by a DU failure.
FOR AUTOMATIC DU RECOVERY......................................................WAIT MORE THAN 40 s
�� IF DU IS AUTOMATICALLY RECOVERED:
No crew action is required.
�� IF DU IS NOT RECOVERED:
Non-recovered DU..................................................................................................AS RQRD
The DU can be switched off.
�� The INVALID DATA message appears (not on all DUs):
This failure may be because of a DMC FAULT, or a communication interruption between the
DMC and DU.
EIS DMC SWITCHING..................................................................................................AS RQRD
�� If unsuccessful:
DU (affected).................................................................................................. OFF THEN ON
Note: The ND display may disappear, if too many waypoints and associated information
are displayed. Reduce the range, or deselect WPT or CSTR, and the display will
automatically recover, after about 30 s.
�� The INVALID DATA message appears on all DUs :
The autopilot, autothrust and MCDU navigation data are still available, and may be used.
FOR AUTOMATIC DUs RECOVERY ...................................................WAIT MORE THAN 40 s
To be continued on next page
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
INDICATING / RECORDING SYSTEMS
A318/A319/A320/A321 FLEET PRO-ABN-31 P 24/24
FCOM 19 AUG 10
DISPLAY UNIT FAILURE (Cont'd)
�� IF ALL DUs ARE AUTOMATICALLY RECOVERED:
No crew action is required.
�� IF ONE OR MORE DUs ARE NOT RECOVERED:
Non-recovered DUs.........................................................................................OFF FOR 40 s
Non-recovered DUs............................................................................ BACK ON sequentially
�� If the initial failure re-occurs (the INVALID DATA message appears on all DUs),
when switching a given DU back ON:
Apply the entire procedure again, from the beginning.
Leave this specific DU permanently OFF.
�� INVERSION OF THE EWD AND THE SD:
ECAM UPPER DISPLAY .....................................................................................OFF THEN ON
The same action on the EIS DMC SWITCHING selector produces the same effect.
ECAM SINGLE DISPLAY
Applicable to: ALL
Only the EWD is available. There is no SD on the other DUs.
�� To call a SYS page:
PRESS AND MAINTAIN the SYS Page key on the ECP.
　
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