Fault Lights Flashcards
MODE SEL pushbutton
(Pressurization panel)
Both automatic pressure controllers are faulty
Pack 1 and/or Pack 2 pushbutton
OOD
Overheat - pack outlet
Overheat - compressor outlet
Discontinuity - switch position disagreement with pack flow control valve
Note: fault light will be illuminated when no air bleed is supplied
HOT AIR
Duct overheat - The hot air and trim air valves close automatically
CARGO HEAT HOT AIR
Duct overheat
BLOWER pushbutton
SMOKE warning is activated
Computer power supply failure
Low blower pressure
Duct overheat
EXTRACT pushbutton
SMOKE warning is activated
Computer power supply failure
Low extract pressure
With 2 fault lights on the ventilation panel, are there any other indications?
Yes - the SMOKE light in the GEN 1 LINE pushbutton
RAT & EMER GEN pushbutton
(red fault light)
Loss of power to AC bus 1 + AC bus 2 and the emergency generator is not supplying power
GALLEY pushbutton
At least one generator load is above 100% rated output
ENG GEN pushbutton
The generator line contactor is open because of a fault detected by the Generator Control Unit (GCU) which could include:
Overload
Over/under voltage
Differential fault (short), and/or;
The generator line contactor is open
APU GEN
The generator line contactor is open because of a fault detected by the GCU.
When is the APU GEN fault light inhibited?
APU speed too low
Line contactor open after EXT PWR or ENG GEN takes over
IDG
Oil pressure low (inhibited when N2 below 14%
Oil outlet temperature overheat
Light is inhibited when IDG is disconnected
FUEL MODE SEL
Center tank contains more than 550 pounds and either main tank has less than 11,000 pounds
FUEL PUMP pushbutton
Low fuel delivery pressure
If the ECAM actions lead you to turn off the PTU for a reservoir overheat, will the fault light go out?
No, not until the overheat subsides
If the fault light in the PTU pushbutton is on, are there any other indications on the hydraulic panel?
Yes - FAULT light illuminated in the respective ENG PUMP pushbutton
PTU pushbutton
OLL
Over temp in reservoir
Low air pressure in reservoir
Low quantity in reservoir
ENG PUMP (hydraulic)
POLL
Pump pressure low
Over temp in reservoir
Low air pressure in reservoir
Low quantity in reservoir
BLUE or YELLOW ELEC PUMP
POLLO
Pump pressure low
Over temp in reservoir
Low air pressure in the reservoir
Low quantity in the reservoir
Overheat of pump
ENG ANTI ICE pushbutton
Switch/anti-ice valve disagreement
WING ANTI ICE pushbutton
Switch/anti-ice valve disagreement
Low pressure is detected
Steady amber IR FAULT light
A fault affects the respective IR
Flashing amber IR FAULT light
Attitude and heading may be recovered in ATT mode (you have lost the navigation portion)
ADR
A fault is detected in the Air Data Reference portion
SYS pushbutton
(on the GPWS panel)
Any failure of basic GPWS modes 1 through 5
APU BLEED pushbutton
APU Bleed leak
(APU bleed valve closes)
ENG 1 BLEED and/or ENG 2 BLEED pushbutton
OOLD
Overpressure - downstream of the bleed valve
Overheat
Leak - low pressure
Discontinuity - APU bleed valve open and engine bleed valve not closed or
Engine start with bleed valve not closed
APU MASTER pushbutton
The Electronic Control Box (ECB) commanded an auto shutdown of the APU
ENG panel
Auto start abort
Switch disagreement between HP valve and its commanded position
