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• SB 700−1A11−21−004, Modification − Pressurization Control − Cabin Altitude Reduction
During Flight for Improved Passenger Comfort.
AUTO PRESS FAIL
Indicates that both channels
of the pressurization control
are inoperative.
L − R PACK TEMP
Indicates that the manual
temperature selection is out
of range.
AV FANS FAIL
Both fans are
failed on the
CABIN DELTA P
Indicates that cabin differential
pressure is greater than 10.15 psid.
EMER DEPRESS
Indicates that EMER DEPRESS
switch has been selected ON.
L − R BLEED LEAK
Indicates that a bleed leak has been
detected in the L or R bleed ducts.
L − R PACK AUTO FAIL
Indicates that the affected automatic
pack control is inoperative.
L − R PACK FAIL
Indicates that the
affected pack
TRIM AIR FAIL
Indicates that one trim air valve
and one hot air SOV are failed.
TRIM AIR LEAK
Indicates that a leak has been
detected in the trim air ducts.
XBLEED FAIL
Indicates that the bleed
crossfeed has failed, open
or closed.
L − R BLEED SYS FAIL
Indicates that the affected bleed
system has failed.
FGF0210_007a
CABIN ALT
CABIN DELTA P
AV FANS FAIL
CABIN ALT
EMER DEPRESS
L BLEED LEAK
R BLEED LEAK
L BLEED SYS FAIL
R BLEED SYS FAIL
L PACK AUTO FAIL
R PACK AUTO FAIL
L PACK FAIL
R PACK FAIL
L PACK TEMP
R PACK TEMP
TRIM AIR FAIL
TRIM AIR LEAK
XBLEED FAIL
has failed.
ground.
CABIN ALT
Indicates that cabin altitude
is 9,000 feet or greater.
AUTO PRESS FAIL
CABIN ALT
Indicates that
cabin altitude
is between 8,200
and 9,000 feet.
AIR CONDITIONING AND PRESSURIZATION
Flight Crew Operating Manual Rev 12, Aug 14, 2006
CSP 700−5000−6
Volume 2
02−10−68
BLEED/AIR CONDITIONING/PRESSURIZATION EICAS MESSAGES (CONT'D)
AUTO PRESS FAULT
Indicates that one channel of
the cabin pressure automatic
control is inoperative.
CAB ALT LEVEL HI
Indicates that CABIN
ALTwarning and caution
levels have been reset
for high altitude landing
RECIRC FAN FAIL
has failed due to an underspeed.
RAM AIR FAIL
failed in last selected position.
L − R BLEED FAULT
Indicates that there is a loss of
redundancy in the bleed system.
L − R PACK FAULT
has a fault.
OUTFLOW VLV 1−2 FAIL
Indicates that the affected
outflow valve has failed.
HUMIDIFIER FAIL
Indicates that the humidifier in
the cooling pack has failed.
SET LDG ELEV
Indicates that landing information
has not been received from FMS,
or LDG ELEV is selected to MAN
and no value was selected.
TRIM AIR FAULT
Indicates that there is a
trim air fault.
MAN PRESS FAULT
altitude limiters is inoperative. If
the airplane is above 20,000 feet,
the affected outflow valve, will
close automatically.
SAFETY VALVE OPEN
is not fully closed.
BLEED MISCONFIG
Indicates that the bleed air
configuration is incorrect for
operation.
FGF0210_008
AUTO PRESS FAULT
AV FANS FAIL
BLEED MISCONFIG
CAB ALT LEVEL HI
HUMIDIFIER FAIL
L BLEED FAULT
R BLEED FAULT
L PACK FAULT
R PACK FAULT
MAN PRESS FAULT
OUTFLOW VLV 1 FAIL
OUTFLOW VLV 2 FAIL
RAM AIR FAIL
RECIRC FAN FAIL
SAFETY VALVE OPEN
SET LDG ELEV
TRIM AIR FAULT
Indicates that the affected pack
Indicates that one of the two
Indicates that the ram air valve is
Indicates that the recirculation fan
Indicates that safety valve 1 or 2
AV RACK FAN FAIL
AVIONIC FAN FAIL
and take-off.
AVIONICS FAN FAIL
Avionics exhaust
fan has failed.
AV FANS FAIL
Both fans are
failed in flight.
AV RACK FAN FAIL
Avionics rack fan
has failed.
AIR CONDITIONING AND PRESSURIZATION
Rev 12, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
02−10−69
BLEED/AIR CONDITIONING/PRESSURIZATION EICAS MESSAGES (CONT'D)
DITCHING ON
Indicates that DITCHING
switch has been selected ON.
HIGH PRESS RATE
Indicates that cabin rate has
been selected to HIGH setting.
OUTFLOW VLV 1 − 2 CLOSED
Indicates that the affected outflow
valve has been selected CLOSED.
AUX PRESS ON
Indicates that the AUX PRESS
switch has been selected ON.
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