Warning And Caution Lights

Question 1

Entry Door Light

Answer 1

Left or Right forward entry door is not closed and locked

Question 2

Emergency Door Light

Answer 2

Respective overwing escape door is not closed and locked

Question 3

Cargo Door Light

Answer 3

Lower cargo door is not closed and locked

Question 4

Main Cargo Door Light

Answer 4

Main Deck Cargo door is not closed, latched, and locked

Question 5

Lock Fail Light

Answer 5

Door lock selector in AUTO position and door lock has failed

Question 6

Auto Unlock Light

Answer 6

Correct emergency access code entered in keypad and continuous chime sounds before timer (60 sec) expires and door unlocks

Question 7

Access Door Light

Answer 7

Respective access door is not closed and locked

Question 8

Pack Off Light

Answer 8

Associated pack valve is closed Pack Selector OFF Loss of Air Pressure Pack Trip

Question 9

Pack Inoperative Light

Answer 9

Associated pack automatic controller fault or pack overheat

Question 10

Trim Air Off Light

Answer 10

Trim Air switch is OFF

Question 11

Compartment Temperature Inoperable Light

Answer 11

Associated compartment Temperature Control OFF Duct Overheat Fault in Auto Temp Control Trim OFF

Question 12

Auto Inoperative Light (Pressurization)

Answer 12

Both automatic pressurization controllers have failed or MAN mode is selected

Question 13

Cabin Altitude Light (Overhead)

Answer 13

Cabin Altitude exceeds 10000 FT Pressure Altitude

Question 14

Cabin Altitude Light (Forward)

Answer 14

Cabin Altitude exceeds 10000 FT Pressure Altitude

Question 15

Valve Light (EE Cooling)

Answer 15

Equipment cooling valve not in commanded position

Question 16

Overheat Light (EE Cooling)

Answer 16

Equipment cooling overheat or loss of equipment cooling airflow

Question 17

Smoke Light (EE Cooling)

Answer 17

Smoke detected in equipment cooling system

Question 18

No Cooling Light

Answer 18

No airflow detected in equipment cooling system when selector in OVRD

Question 19

Cargo Overheat Light (FWD or AFT)

Answer 19

Respective cargo compartment overheat

Question 20

Duct Leak Light

Answer 20

Bleed air leak detected in the respective pneumatic duct

Question 21

Engine Bleed Light

Answer 21

Respective engine high-pressure valve is open when it should be closed

Question 22

Engine High Stage Light

Answer 22

Over temperature detected in respective engine bleed air

Question 23

Engine Bleed Off Light

Answer 23

Respective engine bleed valve closed or associated pack Inoperative during high thrust settings

Question 24

APU Bleed Valve Light

Answer 24

APU Bleed valve not in signaled position

Question 25

Isolation Valve Light

Answer 25

Respective isolation valve not in signaled position

Question 26

IRS Align Light (Steady)

Answer 26

IRS performing normally in align mode While in ATT mode Or while powering down

Question 27

IRS Align Light (Flashing)

Answer 27

Present position not entered within 10 min Entered position differs significantly from last position Movement detected during alignment Or IRS Fault

Question 28

IRS DC Fail Light

Answer 28

Respective IRS operating on AC power with loss do D.C. Backup power

Question 29

IRS ON DC

Answer 29

Respective IRS operating on battery power with loss of AC OR during self check on initial power up

Question 30

IRS Fault Light

Answer 30

Respective IRS fault detected

Question 31

Engine Oil Pressure Light

Answer 31

Respective engine oil pressure is at or below the minimum red line limit

Question 32

Engine Fuel Valve Light

Answer 32

Respective engine fuel valve is not in commanded position

Question 33

Fuel Spar Valve Light

Answer 33

Respective fuel spar valve is not in commanded position

Question 34

Reverse Isolation Valve Light

Answer 34

On ground, fault detected in thrust reverser system

Question 35

Fuel Pump Pressure Light

Answer 35

Associated main tank fuel pump has low output pressure

Question 36

Main Fuel Pump Pressure Light

Answer 36

All fuel pumps on associated side has low pressure

Question 37

Center Pump Pressure Light

Answer 37

Associated center tank fuel pump has low output pressure with pump selected ON

Question 38

Crossfeed Valve Light

Answer 38

Crossfeed valve not in commanded position

Question 39

Fuel Configuration Light

Answer 39

Less than 2200 pounds of fuel in either main tank Fuel imbalance greater than 2000 +/- 500 pounds Center tank fuel pumps selected OFF with greater than 1200 pounds in center tank

Question 40

Primary Pump Low Pressure Light

Answer 40

Associated primary hydraulic pump has low pressure

Question 41

Demand Pump Low Pressure Light

Answer 41

Associated demand hydraulic pump has low pressure when signaled to operate

Question 42

System Low Pressure Light

Answer 42

Associated hydraulic system has low pressure

Question 43

Hydraulic Low Quantity

Answer 43

Associated hydraulic reservoir has low quantity

Question 44

Hydraulic Pump Overheat Light

Answer 44

Associated hydraulic pump is overheated

Question 45

Ram Air Turbine Unlooked Light

Answer 45

Ram Air Turbine is unlocked

Question 46

Ram Air Turbine Pressure Light

Answer 46

Ram Air Turbine is deployed and producing hydraulic pressure

Question 47

Isolation Light (Aux panel)

Answer 47

Center hydraulic reservoir is isolated

Question 48

Reserve Brakes Valve Light

Answer 48

Reserve brake/steering valve(s) not in automatically or manually signaled position