Annunciators

Question 1

L/R DC GEN

Answer 1

Associated generator not sufficient voltage or gen not connected

Question 2

L GEN TIE OPEN

Answer 2

Generator tie not connected to center bus. Possible fault or malfunction.

Question 3

BATTERY CHARGE

Answer 3

Battery charging above normal rate with the NiCad system

Question 4

BAT TIE OPEN

Answer 4

Battery bus tie relay is open. Battery is isolated from the generator bus. Only attempt reset if battery voltage is normal 24-28 volts.

Question 5

1 or #2 AC BUS

Answer 5

AC bus failure

Question 6

DOOR UNLOCKED

Answer 6

Airstair door or cargo door open or not secure

Question 7

R/L FUEL PRESS LO

Answer 7

Associated side fuel pressure failure

Question 8

CABIN ALT HI

Answer 8

Cabin pressure altitude exceeds 12,000 feet

Question 9

CABIN DIFF HI

Answer 9

Cabin press differential exceeds 6.9 psi

Question 10

L/R OIL PRES LO

Answer 10

Low oil pressure

Question 11

A/P TRIM FAIL

Answer 11

Improper trim or no trim from autopilot trim command.

Question 12

L/R BLEED FAIL

Answer 12

Melted or failed plastic on bleed air failure warning line.

Question 13

A/P FAIL

Answer 13

Autopilot monitor has sensed failure.

Question 14

HYD FLUID LOW

Answer 14

Hydraulic fluid in the power pack is low.

Question 15

RVS NOT READY

Answer 15

Prop levers not full forward with landing gear extended

Question 16

R/L DC GEN

Answer 16

Generator is offline.

Question 17

L/R CHIP DETECT

Answer 17

Metal found in engine oil.

Question 18

L NO FUEL XFR

Answer 18

No auxiliary fuel transfer.

Question 19

DUCT OVERTEMP

Answer 19

Duct air is too hot.

Question 20

L/R ENG ICE FAIL

Answer 20

Engine anti-ice system inop

Question 21

EXT PWR

Answer 21

External power connector is plugged in.

Question 22

R/L FUEL QTY

Answer 22

Less than 30 min remaining at max continuous power

Question 23

L/R BL AIR OFF

Answer 23

Bleed air valve not open.

Question 24

AUTOFTHER OFF

Answer 24

Autofeather switch not armed with landing gear extended.

Question 25

PITCH TRIM OFF

Answer 25

Electric trim is deenergized by trim disconnect switch on the control wheel, with the PITCH TRIM switch on the pedestal turned on.

Question 26

OXY NOT ARMED

Answer 26

Oxygen arming handle has not been pulled or system failed to charge.

Question 27

RUD BOOST OFF

Answer 27

Rudder boost switch is off.

Question 28

PROP GND SOL

Answer 28

One or both ground idle low-pitch-stop solenoids powered by 28 volts. FL-115 and subsequent. Ours is FL-129.

Question 29

L/R PROP PITCH

White

Answer 29

prop below flight idle stop

Question 30

CABIN ALTITUDE

White

Answer 30

Cabin exceeds 10,000 feet

Question 31

LDG/TAXI LIGHT

Answer 31

Lights on with gear up

Question 32

PASS OXY ON

WHITE

Answer 32

Pax oxygen system is charged.

Question 33

AIR COND N1 LOW

White

Answer 33

N1 is too low for air conditioner load.