MD-11 Flight Crew Operations Manual
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APU Chapter APU
Controls and Displays Section 30
APU.30.1
APU.30 APU-Controls and Displays
APU Control Panel
1. ENG/APU FIRE TEST Button
For description, refer to Fire Protection chapter.
2. APU GEN Switch - amber
When pushed, resets APU generator control unit if electrical system is in
manual mode.
OFF - Illuminates amber when generator is on speed and there is a
malfunction.
3. APU FUEL/FAIL/DOOR Status Display - amber
FUEL - Illuminates amber when APU fuel pressure is too low.
FAIL - Illuminates amber if the APU fails to start.
DOOR - Illuminates amber if the APU door does not open. DOOR also
illuminates during a normal shutdown if the door does not close.
Blank - Illuminates during test only (spare display).
FUEL
DOOR
FAIL
ENG/APU
FIRE
TEST
AGENT
DISCH
APU
FIRE
PULL/TURN
1
2
START/
STOP
ON
OFF
APU
APU
GEN
OFF
1
2
3
4
5
AFT OVERHEAD PANEL
DB1-2-1625
October 02, 2006
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