AIR CONDITIONING/PRESSURIZATION
Sep 14/2005
Flight Crew Operating Manual
Volume 2
REV 4
CSP 100-6
02-04-11
DITCHING NOT AVAIL
The ditching switch has been selected On with
the pressurization switch in the manual mode
EQPT RACK TEMP
HIGH
TO/LAND
The temperature in either equipment rack is high
PACK FAIL
TO/LAND
A failure has been detected in the PACK system
PACK LOOP FAIL
TO/LAND
Both bleed air leak detection loops in the PACK
have failed during the power up self test
PACK TEMP HIGH
TO/LAND
An overheat has been detected in the air condi-
tioning PACK system
L (R) PYLON LOOP
FAIL
TO/LAND
Both bleed leak detection loops in the respective
pylon have failed during the power up self test
TRIM AIR FAIL
TO/LAND
A hot air regulating valve has failed
TRIM AIR LOOP FAIL
TO/LAND
The bleed air leak detection loops around the
trim air ducting have failed
XBLEED FAIL
TO/LAND
The crossbleed valve has failed to move to the
commanded position
AIRCOND FAULT
TO/LAND
A fault has been detected in the air conditioning
system or there has been a loss of temperature
sensing
BLEED LOOP FAULT
TO/LAND
A fault has been detected in the bleed leak
detection loop system and redundancy is lost
L (R) BLEED FAULT
TO/LAND
The bleed pressure data is invalid, or the
affected flow control valve is failed closed
CABIN ALT WARN
HIGH
LAND
A high airport takeoff or landing has been initi-
ated and the pressurization system is in the
automatic mode
EQPT RACK COOL
FAULT
TO/LAND
A fault has been detected in the avionics equip-
ment rack cooling system
MANUAL PRESS FAIL
TO/LAND
The manual pressurization mode is not opera-
tional
PACK COOL AIR FAIL
TO/LAND
The ram air regulating valve supplying cooling
air to the PACK heat exchanger has failed
RAM AIR FAIL
TO/LAND
The RAM AIR ventilation valve has failed to
move to the commanded position
AIR COND MAN TEMP
ON
The air conditioning temperature control is in
manual mode
MESSAGE
INHIBITS
MEANING
AURAL
WARNING
REV 4
Содержание BD-100-1A10
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