Annunciated when an APU over-speed protective shutdown occurs.

Annunciated when an EGT over-temperature condition exists.

Annunciated when the APU door position does not match command.

Annunciated when WOW is not true and both EGT thermocouple rakes are failed.

APU fuel shut-off valve failure.

Annunciated when WOW is not true and a high oil temperature condition exists.

Annunciated when WOW is not true and a low oil pressure condition exists.

Annunciated when WOW is not true and a reverse flow condition exists.

Annunciated when the LCV command is received and either the aircraft is above 35000 ft or the 60 second warm-up period after speed reaches 99% is not complete (ground only).

Annunciated when no data is received by the DAU.

Annunciated when failure of a single speed sensor or EGT thermocouple rake is detected or the fuel solenoid has failed to close or the fuel/oil filters have gone into impending bypass or the LOP switch is failed (flight only).

Annunciated after Run is selected from the APU switch until prestart BITE is complete and the inlet door is positioned (ground only).

Annunciated when the APU cockpit selector switch is set to Start or Run and the FADEC NVM is being downloaded or the door rigging test is active.

Annunciated when the APU oil level drops below 3.5 quarts and WOW is true.

Annunciated when an APU protective shutdown occurs other than over-speed or over-temperature.

APU LCV is closed.

APU LCV is open.

APU fuel shut-off valve close.

APU fuel and bleed air shut-off valves closed.