ELEC

Question 1

BAT DISCHARGE

Answer 1

• With BAT switch ON, excessive battery discharge is detected

Question 2

TR UNIT

Answer 2

• GND – any TR has failed

* FLT – TR1 or TR2 & 3 have failed

Question 3

ELEC

Answer 3

• On GND only

* Fault in the DC power system or standby power system

Question 4

STANDBY PWR OFF

Answer 4

• On or more of the following are unpowered - AC standby bus/ DC standby bus / battery bus

Question 5

DRIVE

Answer 5

IDG low oil pressure caused by:
o	IDG failure
o	Engine shutdown
o	Auto disconnect due to high oil temp
o	IDG disconnect through disconnect switch

Question 6

TRANSFER BUS OFF

Answer 6

• Related transfer bus not powered

Question 7

SOURCE OFF

Answer 7

• No source has been manually selected or manually selected source disconnected

Question 8

GEN OFF BUS

Answer 8

• IDG not supplying power to the related transfer bus