Overhead Panel

Question 1

OIL TEMP HI

Answer 1

The oil temperature of the APU has exceeded 236 deg F.

Question 2

OIL PRESS LO

Answer 2

The oil pressure of the APU is below 31 psi.

Question 3

ALTNTR OFF

Answer 3

The APU alternator is running, and ALT SW is on, but the alternator has failed.

Question 4

EXT BATT SW

Answer 4

External battery switch is on.

Question 5

LEFT or RIGHT FRONT WINDOW (green)

Answer 5

The windshield heat is operating.

Question 6

LEFT or RIGHT SIDE WINDOW (green)

Answer 6

The windshield heat is operating.

Question 7

AC EXT PWR (green)

Answer 7

External power is connected on the airplane.

Question 8

DC EXT PWR (green)

Answer 8

External power is connected on the airplane.

Question 9

FUEL CROSS FLOW (green)

Answer 9

Fuel crossflow valve is open.

Question 10

FUEL INTER TANK (green)

Answer 10

Intertank is open.

Question 11

LEFT or RIGHT WING WARM (green)

Answer 11

Wing anti-ice exhaust duct temperature is above 100 deg F.

Question 12

OV

Answer 12

Generator output voltage has exceeded limits: approximately 30 +/- .5

Question 13

FLD BRG

Answer 13

Generator main bearing(s) has failed and is operating on auxiliary bearings.

Question 14

FD

Answer 14

Generator diode has failed.

Question 15

MANUAL CABIN PRESS

Answer 15

Illuminated when in manual mode or when depressed.

Question 16

ENERGIZE TRANS RECT

Answer 16

APU MASTER switch has been selected on, and the emergency transformer rectifier is not in operation.

Question 17

RAM Air Switch - On

Answer 17

1. Air Conditioning Shutoff Valve Closes

Power is required to close this valve