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T.O or LDG.
Some warnings and cautions are suppressed at critical phases of flight, however failures critical a particular phase of flight will always be displayed. Note that these flight phases are different from the flight phases used by the FMGS. On the SD some pages are phase-selected i.e. the WHEEL page is automatically displayed after engine start. The cruise page is not selectable, but is continuously displayed from 1500 ft after take-off to landing gear extension unless a warning/caution is displayed, or a system page has been manually selected.(FCOM 1.31.20 [Indicating/ Recording Systems - Indications on SD])
There are three levels of warning/caution, Levels 3, 2 and 1 with level 3 being the highest (FCOM 1.31.10 (Indicating/Recording Systems - ECAM Description)). Level 3 is associated with a master warning and is displayed in red on the E/WD. Level 2 is associated with a master caution and is displayed in amber on the E/WD. Level 1 is displayed in amber on the E/WD, however there is no master caution associated with Level 1.
In addition to the three levels of warning/caution, ECAM also differentiates between
Independent Failures, Primary Failures and Secondary Failures as follows:

A319/A320/A321 FLIGHT CREW TRAINING MANUAL  ABNORMAL OPERATION BRIEFINGS ECAM  1.03.31  Page 3 
REV 21  MAY 98 

05 - TRAINEES’ ACTIONS (END)
INDEPENDENT FAILURES
A failure that does not affect other systems. The system title is underlined on the E/WD.
PRIMARY FAILURE
A failure that affects other systems and causes secondary failures. The failure title is boxed on the E/WD.
SECONDARY FAILURE
A failure that is caused by a primary failure and not unserviceability of that particular system. Secondary failures are in amber preceded by an asterisk on the bottom right hand side of the E/WD. In the event of multiple failures there is a hierarchy which determines which failures are displayed on the E/WD i.e. level 3 takes priority over level 2. Furthermore there is a hierarchy within each of the three levels to ensure that the most important failures are displayed to the pilots first. Details of how failures are dealt with are given in the following briefing note.
All screens are identical, providing the option of multiple redundancy, and simple switching. The various options to allow switching of screens in the event of screen failure are detailed in FCOM 1.31.05 (Indicating/Recording Systems - EIS General). ECAM failure modes are also dealt with in the following briefing note.
The ECAM control panel is described in FCOM 1.31.30 (Indicating/Recording Systems -ECAM Controls), however the operational use of the RCL and EMER CANC pb’s requires a little explanation. The EMER CANC pb may be used by the crew to cancel any cautions or warnings that are spurious or intermittent, and are effectively nuisance warnings. The RCL pb is used to either recover cancelled cautions suppressed by the EMER CANC pb or, to review cautions or warnings which have been cleared using the CLR pb.
06 - COMPLETION STANDARDS
. Knowledge and correct use of the ECAM system.
07 - COMMON ERRORS
.
No deselection of manually selected system page.

.
Landing "no blue" call made before landing memo displayed.

.
Memo display not included in normal instrument scan.

A319/A320/A321 FLIGHT CREW TRAINING MANUAL  ABNORMAL OPERATION BRIEFINGS ECAM  1.03.31  Page 4 
REV 21  MAY 98 

01 - TRAINING OBJECTIVE
. To use ECAM procedures effectively and correctly.
02 - SCHEDULE
Briefing duration : 15 minutes
03 - EQUIPMENT
DOC references :
.
QRH 0.00 (Task sharing)

.
FCOM 1.24.10 & 20 (Electrical)

.
FCOM 1.31.10 to 1.31.30 (ECAM Description)

.
FCOM 3.02.01 (Procedure)

　
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