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(4) FLEX temperature
If FLX mode is selected, the flexible takeoff temperature selected through the MCDUs is
displayed in blue.
(5) EGT indicator
(A) Actual EGT
‐ It is normally green.
‐ It pulses amber above 915 °C, except for high power operation (FLEX TO or thrust
lever above MCT or at MAX REV, or activation of alpha floor).
‐ It pulses amber above 725 °C during start sequence.
‐ It pulses red above 950 °C, and the numerical value becomes red.
(B) Max EGT
The amber index appears at 725 °C during engine start, then at 915 °C.
It is not displayed during takeoff.
(C) Max permissible EGT
The EGT red line is at 950 °C. Display shows red arc from 950 °C to the end of the scale.
(D) EGT exceedance
If the EGT goes over 950 °C, a red mark appears at its maximum value. It disappears
after a new takeoff, or after a maintenance action through the MCDU.
(6) HP rotor speed N2
The numbers are normally green. (During start sequence, they are green on a grey
background).
When N2 is above 105 %, the indication turns red and a red cross appears next to it. When the
N2 value is degraded (if both N2 sensors fail), the last digit is amber and is dashed.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
CONTROLS AND INDICATORS (CFM)
A318/A319/A320/A321 FLEET DSC-70-90 P 12/24
FCOM 19 AUG 10
(7) Fuel flow
These numbers are green.
Note: If the system detects a discrepancy between the N1, N2, EGT and fuel flow values
on the FADEC-DMC bus and the corresponding displayed values, an amber CHECK
appears underneath the affected parameter.
(8) IDLE indication
This legend appears in green when both engines are at idle. It flashes for 10 s, then remains
steady.
Applicable to:
NORMAL CONFIGURATION
(1) Fuel used
The green number is the fuel used as computed by the FADEC.
It resets when the engine starts (MASTER switch ON) on the ground.
It is frozen at its last value (until the next engine start) when the engine shuts down. (The
ECAM CRUISE page also displays it).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
CONTROLS AND INDICATORS (CFM)
A318/A319/A320/A321 FLEET DSC-70-90 P 13/24
FCOM 19 AUG 10
The two last digits are dashed if the fuel-used indication is inaccurate due to the loss of fuel
flow data for more than one minute.
(2) Oil quantity
The needle and the numbers are normally green.
The indication pulses when oil quantity goes below three quarts (decreasing) or above five
quarts (increasing).
(3) Oil pressure
The needle and the numbers are normally green.
The digital indication pulses if :
oil pressure exceeds 90 PSI (increasing) ‐ or 85 PSI (decreasing).
‐ oil pressure drops below 16 PSI (decreasing) or 20 PSI (increasing).
The indication turns red and a warning appears on ECAM if the oil pressure drops below
13 PSI.
(4) Oil temperature
These numbers are normally green.
They pulse above 140 °C (increasing) or 135 °C (decreasing).
They turn amber and a warning appears on ECAM if the temperature exceeds :
‐ 140 °C for more than 15 min, or
‐ 155 °C without delay.
(5) VIB
The legend is green.
VIB N1 pulses above 6.
VIB N2 pulses above 4.3.
(These numbers also appear on the ECAM CRUISE page).
Note: An MCDU procedure may reduce the advisory threshold to the level of vibration
reached during the last flight.
If this function has been activated, the N1 and N2 VIB indications pulse below 6
and 4.3, respectively.
(6) Oil filter clog
CLOG appears in amber, if there is an excessive pressure loss across the main oil scavenge
filter.
(7) Fuel filter clog
CLOG appears in amber, if there is an excessive pressure loss across the fuel filter.
(8) Ignition
IGN appears in white during the start sequence.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
CONTROLS AND INDICATORS (CFM)
A318/A319/A320/A321 FLEET DSC-70-90 P 14/24
FCOM 19 AUG 10
The letters A, B, or AB appear in green, when the respective igniters are firing.
(9) Start valve position
In line – Green : The valve is fully open.
Crossline – Green : The valve is fully closed.
(10) Engine bleed pressure
The green numbers indicate the bleed pressure upstream of the precooler.
They become amber, when the pressure drops below 21 PSI with N2 ≥ 10 %, or if there is an
overpressure.
ONE NAC TEMPERATURE ABOVE 240 °C
(11) Nacelle temperature
The screen displays both nacelle temperatures if at least one of them is above 240 °C.
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 4(112)
