APU

Question 1

MAINT

Answer 1

• Problem exists but can be operated normally

Question 2

LOW OIL PRESSURE

Answer 2

• Normal during start

* Automatic shutdown, will turn off 5 minutes after APU switch is in OFF

Question 3

FAULT

Answer 3

• Malfunction and auto shutdown

* Automatic shutdown, will turn off 5 minutes after APU switch is in OFF

Question 4

OVERSPEED

Answer 4

• RPM limit exceeded
• Overspeed shutdown protection feature has failed a self-test during normal APU shutdown
• Automatic shutdown, will turn off 5 minutes after APU switch is in OFF