A320 Lights & Switches Faults

Question 1

(GN) ADIRS
IR 1/2/3
FAULT light steady (amber)

Answer 1

Fault in IR

Question 2

(GN) ADIRS
IR 1/2/3
FAULT light flashing (amber)

Answer 2

Attitude and Heading may be recovered using ATT mode

Question 3

(GN) ADIRS
IR 1/2/3
ALIGN light flashing (white)
3 possible

Answer 3

• No position entered within 10 minutes
• Bad position (1 degree diference between shutdown and entered
• Fault

Question 4

(GN) ADIRS
ADR 1/2/3
FAULT light (amber)

Answer 4

Fault in Air Data

Question 5

FLT CTL
ELAC 1 2
FAULT light (amber)
2 possible

Answer 5

• ELAC self test during power up

- Fault

Question 6

FLT CTL
SEC 1 2 3
FAULT light (amber)

Answer 6

Fault

Question 7

FLT CTL
FAC 1 2
FAULT light (amber)

Answer 7

Fault

Question 8

GPWS
TERR pb
FAULT light (amber)

Answer 8

Fault

Question 9

GPWS
SYS pb
FAULT light (amber)

Answer 9

Modes 1-5 failed

Question 10

APU
MASTER SW pb
FAULT light (amber)

Answer 10

Auto shutdown for many reasons. Fire will only cause shutdown on the ground.

Question 11

CABIN PRESS
MODE SEL pb
FAULT light (amber)

Answer 11

Both auto systems failed

Question 12

ANTI ICE
WING pb
FAULT light (amber)
3 possible

Answer 12

• Low pressure
• Either valve disagreement with push button
• Either valve in transit

Question 13

ANTI ICE
ENG 1 2 pb
FAULT light (amber)
2 possible

Answer 13

• Valve in disagreement with push button

- Valve in transit

Question 14

AIR COND
PACK 1 2 pb
FAULT light (amber)
2 possible

Answer 14

• Over heat of compressor outlet or pack outlet

- Disagreement of valve position

Question 15

AIR COND
ENG 1 2 BLEED pb
FAULT light (amber)
5 possible

Answer 15

• Leak
• Overheat
• Overpressure downstream
• Start in process and valve not closed
• APU Bleed On and valve not closed

Question 16

AIR COND
APU BLEED pb
FAULT light (amber)

Answer 16

Leak

Question 17

AIR COND
HOT AIR pb
FAULT light (amber)

Answer 17

Overheat detected and closes:

• Hot air valve
• Trim air valve

Question 18

ELEC
GALLEY pb
FAULT light (amber)

Answer 18

Any generator load > 100%

Question 19

ELEC
BATT 1 2 pb
FAULT light (amber)

Answer 19

Battery charger current out of limits

Question 20

ELEC
IDG 1 2 pb
FAULT light (amber)
2 Possible

Answer 20

• High oil temp

- Low oil press (inhibited below 14% N2)

Question 21

ELEC
GEN 1 2 pb
FAULT light (amber)
2 possible

Answer 21

• GCU trip

- Line contactor open (other than by pb)

Question 22

ELEC
APU GEN pb
FAULT light (amber)
2 possible

Answer 22

• GCU trip

- Line contactor open (other than by pb or EXT PWR pb selected ON) - inhibited at low speed

Question 23

ELEC
AC ESS FEED
FAULT light (amber)

Answer 23

AC ESS Bus not powered

Question 24

EMER ELEC PWR
RAT & EMER GEN
FAULT light (red)

Answer 24

Emergency Generator is not supplying power, but should be (AC1 and AC2 are not powered)

Question 25

FUEL LTK PUMPS 1 2 RTK PUMPS 1 2 FAULT light (amber)

Answer 25

Low output pressure

Question 26

FUEL CTR TK PUMP 1 2 FAULT light (amber)

Answer 26

Low output pressure

Question 27

FUEL MODE SEL FAULT light (amber)

Answer 27

Center Tank > 550 lbs AND Left or Right Wing Tank , 11,000 lbs

Question 28

HYD ENG 1 2 PUMP FAULT light (amber) 4 issues

Answer 28

- Reservoir - Low level - Fluid overheat - Low air pressure - Pump - Low pump pressure (inhibited on grnd with eng off)

Question 29

HYD BLUE ELEC PUMP FAULT light (amber) 5 issues

Answer 29

- Reservoir - Low level - Fluid overheat - Low air pressure - Pump - Low pump press (inhibited on grnd with eng off) - Overheat

Question 30

HYD YELLOW ELEC PUMP FAULT light (amber) 5 issues

Answer 30

- Reservoir - Low level - Fluid overheat - Low air pressure - Pump - Low pump press (inhibited on grnd with eng off) - Overheat

Question 31

HYD PTU FAULT light (amber) 3 issues

Answer 31

- Low level - Fluid overheat - Low air pressure

Question 32

CARGO HEAT HOT AIR pb FAULT light (amber)

Answer 32

Duct overheat

Question 33

CARGO HEAT AFT ISOL VALVE FAULT light (amber)

Answer 33

Inlet or Outlet valve disagreement

Question 34

VENTILATION BLOWER pb FAULT light (amber) 4 issues

Answer 34

``` Smoke Horn sounds if on gnd and no engines running: Air pressure low Computer fault Overheat ```

Question 35

VENTILATION EXTRACT pb FAULT light (amber) 3 issues

Answer 35

Smoke Computer fault Horn sounds if on gnd and no engines running: Air pressure low

Question 36

MASTER WARN light (red)

Answer 36

Illuminated w/Level 3 ECAM

Question 37

MASTER CAUT light (amber)

Answer 37

Illuminated with Level 2 ECAM

Question 38

EFIS control panel GPWS light (red) 4 issues

Answer 38

Illuminates for: - Mode 1 - Excessive rate of descent - Mode 2 - Excesive terrain closure rate - Mode 3 - Altitude loss after takeoff or go around - Mode 4 - Unsafe terain clearance when not in ldg config

Question 39

``` EFIS control panel GPWS light (amber) ```

Answer 39

Illuminates for- | -Mode 5 - Too far below glideslope

Question 40

ATC transponder panel | ATC FAIL light (amber)

Answer 40

Selected transponder failed

Question 41

ENG control panel | FIRE 1 2 light (red)

Answer 41

Illuminates when fire is detected in respective engine

Question 42

ENG control panel FAULT 1 2 light (amber) 2 issues

Answer 42

- Automatic start abort | - HP fuel valve disagreement

Question 43

``` COCKPIT DOOR OPEN light (steady amber) ```

Answer 43

Door not fully closed and locked

Question 44

``` COCKPIT DOOR OPEN light (flashing amber) ```

Answer 44

Cabin crew began the Emergency Access Process. If no cockpit crew action is taken, door will unlock after predetermined time (15-120 seconds)

Question 45

``` COCKPIT DOOR FAULT light (color?) ```

Answer 45

System failure