CAS - Caution Messages Flashcards
ACM BLEED LEAK
This message is displayed when a bleed leak is detected in the vicinity of the air cycle machine (ACM). The ACM will automatically turn off, emergency pressurization will automatically come on and the EMERGENCY PRESSURIZATION CAS message will be displayed. If the APU is running when the ACM BLEED LEAK CAS message occurs, the APU will shutdown automatically and will be unavailable for the remainder of the flight even if the ACM BLEED LEAK CAS message clears.
INHIBITS: LOPI, TOPI; DEBOUNCE: STANDARD
ACM O’TEMP
This message is displayed when an overtemperature of the ACM is detected. The ACM will automatically turn off, emergency pressurization will automatically come on and the EMERGENCY PRESSURIZATION CAS message will be displayed. Emergency pressurization will automatically turn off and the ACM will come back on after the ACM has cooled down.
INHIBITS: LOPI, TOPI; DEBOUNCE: STANDARD
ANTISKID FAIL
This message is displayed when an antiskid fault lasting for more than 1 second has been detected or if the antiskid system is turned off.
INHIBITS: TOPI, BFI; DEBOUNCE: 1 SECOND, WITH EXCEPTIONS
AOA HEAT FAIL L-R
This message is displayed when the ANTIICE PITOT/STATIC buttons are selected ON and current is not detected at the respective AOA probe. Affected side stall warning and low speed awareness may be unreliable in icing conditions.
INHIBITS: LOPI, TOPI; DEBOUNCE: 2 SECONDS
AOA/STALL WARN FAIL L-R
This message is displayed when the AOA and/or stick shaker function has failed. Affected side stick shaker, low speed awareness, and on-speed carat will be inoperative. If left AOA, the AOA indexer display will be inoperative.
INHIBITS: LOPI, TOPI, BFI; DEBOUNCE: 2 SECONDS
AP STAB TRIM INOP
This message is displayed when autopilot control of the horizontal stabilizer trim is inoperative.
INHIBITS: LOPI, TOPI, BFI; DEBOUNCE: 1 SECOND
APU FIRE DETECT FAIL
This message is displayed when the APU SYSTEM MASTER button is selected ON and the APU fire detect system is inoperative. The APU will not start and will automatically shut down if it is running.
INHIBITS: LOPI, TOPI; DEBOUNCE: 2 SECONDS, WITH EXCEPTIONS
APU ON
This message is displayed when the APU is running and altitude is greater than FL300. This message is only displayed on airplanes incorporating Epic Phase 5 software. This message is cyan when altitude is less than or equal to FL300.
INHIBITS: LOPI, TOPI; DEBOUNCE: STANDARD
ASCB BUS FAIL
This message is displayed when any line replaceable unit (LRU) detects an ASCB communication problem. Only the primary buses are checked in flight. The primary and backup buses are checked on the ground. Each LRU is inhibited from triggering the message when its respective bus power is off. Cross-side data may not be available.
INHIBITS: LOPI, TOPI, BFI; DEBOUNCE: 2 SECONDS, WITH EXCEPTIONS
BAGGAGE DOOR OPEN
This message is displayed when any baggage door sensor indicates the door is not fully closed, any of the four clasps are unlatched, or any one or more of the sensors are faulted.
INHIBITS: LOPI, TOPI, BFI
DEBOUNCE: 2 SECONDS
BATTERY O’CURRENT L-R
This message is displayed when the battery current is ≥ 200 amps (positive or negative).
INHIBITS: LOPI, TOPI
DEBOUNCE: STANDARD
BATTERY OFF L-R
This message is displayed when the respective L BATT or R BATT button has been selected OFF.
INHIBITS: LOPI, TOPI
DEBOUNCE: 2 SECONDS
BLEED AIR MONITOR FAIL
This message is displayed when one or both bleed air monitor cards have failed. If both cards have failed, the cabin altitude warning system will be inoperative.
INHIBITS: LOPI, TOPI
DEBOUNCE: 5 SECONDS
BLEED AIR O’TEMP L-R
This message is displayed when the bleed air temperature from the respective precooler has exceeded 293˚ C for more than 20 seconds or 316˚ C instantly.
INHIBITS: LOPI, TOPI
DEBOUNCE: STANDARD
BLEED SELECT NOT NORM L-R
This message indicates the bleed air selector is not in the normal position with the airplane on the ground.
INHIBITS: LOPI, TOPI
DEBOUNCE: STANDARD
BUS TIE CLOSED
This message is displayed when the bus tie contactor between the emergency buses is closed.
INHIBITS: LOPI, TOPI
DEBOUNCE: 2 SECONDS
CABIN ALTITUDE
This message is displayed when the cabin altitude exceeds 8,500 feet due to failure of the pressurization system.
INHIBITS: LOPI, TOPI, BFI
DEBOUNCE: STANDARD
CABIN DOOR OPEN
This message is displayed when the cabin door switches indicate the door is in the open position, the inner handle is not secured, the locks are not engaged, or the monitor system operation has not been verified correct.
INHIBITS: LOPI, TOPI, BFI
DEBOUNCE: STANDARD
CAT2
The Category II approach mode criteria are not met, and Category II approach minimums are not authorized. This message is displayed when the RAD/BARO knob is set to RAD and minimums are less than 200 feet.
CHECK DU 1-2-3-4
The display unit wrap-around monitor has failed, and the affected display unit may present misleading information. DUs are numbered from left to right.
Inhibits: LOPI, TOPI, BFI
Debounce: 5 SECONDS
CONFIGURATION MISMATCH
A configuration monitor function detects that the software and/or hardware versions are not in a certified configuration. This message is displayed on the ground.
Inhibits: LOPI, TOPI, IN AIR
Debounce: 30 SECONDS
DC EMER BUS L-R
The respective emergency bus isolation relay is open, either due to DC generator overcurrent protection or pilot selection of the affected electrical L or R ELEC buttons to EMER. The affected R or L ELEC button will indicate amber EMER.
Inhibits: LOPI, TOPI
Debounce: 2 SECONDS
DC GEN O’CURRENT L-R-APU
The current for the respective generator is too high. This message is inhibited during engine start and for 2 minutes after start.
Inhibits: LOPI, TOPI
Debounce: 20 SECONDS
DC GEN OFF L-R-APU
A source of generator power is available, but the respective generator is not online. If the associated DC EMER BUS L-R CAS message is also displayed, an overcurrent condition was detected on the main bus or one of its extension buses.
Inhibits: LOPI, TOPI, BFI
Debounce: 2 SECONDS