FAULTS Flashcards
COCKPIT DOOR Fault Open Indicator
3
Latch Fail
Pressure Sensor Fail
Control Unit Fail
ENG 1(2) START Fault Light (3)
Start Valve Fault
Automatic Start Abort
Disagreement between the HP fuel Valve’s actual position versus its commanded position
EGPWS TERR Fault Light
2
TCF (Terrain Clearance Floor) or
TAD (Terrain Awareness Display) Fails
Terrain is not shown on ND
GPWS SYS Fault Light
Lost a basic mode of the GPWS (modes 1 - 5)
*only mode 5 is inhibited if an ILS fails
Modes 1-5
- Excessive rate of descent
- Excessive terrain closure rate
- Altitude loss after takeoff, or go around
- Unsafe terrain clearance when not in landing config
- Too far below glideslope
RAT & EMER GEN Fault Light
2
Emergency generator is not supplying power
AC BUS 1 and 2 are not powered
ELAC 1 Fault Light
2
When a failure is detected
During ELAC power-up test (8 seconds)
*test initiated when electrical is turned on
SEC 1/2/3 Fault Light
When a failure is detected
ADR 1/2/3 Fault Light
Air Data Reference part of the ADIRU has a fault
APU Fault Light
a lot
Fire (Ground only) Air inlet flap closed Over speed No Acceleration Slow Start EGT overtemp No Flame Reverse Flow HOTLOP No Speed Under Speed Loss of over speed protection Oil System shut-down Inlet overheat Clogged Oil filter Loss of EGT Thermocouples
Cabin Press MODE SEL Fault Light
Cabin pressure controllers system 1 and 2 are faulty
Wing Anti-Ice
2
Disagreement of the anti-ice control valve
Low pressure is detected
ENG 1 /2 ANTI-ICE Fault Light
Disagreement of the anti-ice control valve
PACK 1 Fault Light
3
Disagreement of the pack control valve
Compressor outlet overheat
Pack outlet overheat
ENG 1/2 BLEED Fault Light
5
Overpressure downstream of the bleed valve
Bleed air overheat
Wing or engine leak on the related side
Bleed valve is not closed during engine
Bleed valve is not closed with APU bleed ON
APU BLEED Fault Light
APU leak
HOT AIR Fault Light
2
Duct overheat is detected @ 88°C
Fault goes off when temp drops below 70°C
GALY and CAB
Any load on any generator is more than 100% of rated output
IDG 1/2 Fault Light
HOTLOP
IDG oil outlet overheats (Above 185°C)
IDG oil pressure low (inhibited at low engine speed: N2 below 14%)
*Distinguishes when IDG is disconnected
AC ESS FEED Fault Light
When it’s not electrically supplied
BAT 1/2 Fault
Battery is outside limits
Fuel TK PUMP L/R 1/2 Fault Light
Delivery pressure drops
Fuel CTR PUMP TK 1/2 Fault Light
Pump in operation and delivery pressure drops
FUEL MODE SEL Fault Light
3
- Auto Mode has failed
- Center Tank has more than 550 lbs of fuel and
- Left or Right Wing has less than 11,000 lbs
HYD ENG 1/2 PUMP Fault Light
4
- (P)ump Pressure Low
- (O)verheated Reservoir
- (L)ow quantity in the reservoir
- (L)ow air pressure in the reservoir
- overheat light remains
ELEC PUMP Blue/Yellow Fault Light
5
- (P)ump Pressure Low
- (O)verheated Reservoir
- (L)ow quantity in the reservoir
- (L)ow air pressure in the reservoir
- (O)verheated Pump
- overheat light remains
HYD PTU Fault Light
3
- (O)verheated Reservoir
- (L)ow quantity in the reservoir
- (L)ow air pressure in the reservoir
- overheat light remains
GEN 1 Fault Light
- GCU trips systems
- GEN line contactor opens
APU GEN Fault Light
- GCU trips systems
- GEN line contactor opens
- inhibited when APU speed is too slow
VENTILATION BLOWER Fault Light
(B)Blower pressure low
(C)omputer power supply fails
(S)Smoke warning activated
(D)uct overheat
VENTILATION EXTRACT Fault Light
(C)omputer power supply fails
(S)moke warning activated
(E)xtract pressure low
IR1 Fault
2
Indicates faulty IR
Steady: IR is failed
Flashing: ATT mode might recover heading and attitude info
FAC1 Fault
A failure is detected
