AURAL/VISUAL ALERTS
Sep 13/2004 Flight Crew Operating Manual Volume 2
REV 1 CSP 100-6 03-05-01
EICAS MESSAGES
The engine indicating and crew alerting system messages are shown on the EICAS. In the table below, a brief explanation
for each message is provided.
MESSAGE INHIBITS MEANING
AURAL
WARNING
EFIS COMPARATOR
INOP TO/LAND
EFIS comparator unable to compare one or
more of the following parameters: altitude, airspeed,
roll attitude, pitch attitude, heading, radio
altitude, flight director, localizer or glideslope
EFIS MISCOMPARE
There is a mismatch between the onside and
cross-side data and accompanied by a PFD
annunciation ALT, IAS, ROL, PIT, HDG, LOC,
GS, RA, or FD
L (R) IAPS FAIL TO/LAND
The respective Integrated Avionics Processing
System has failed
PFD X-TALK FAIL TO/LAND
Communication between the PFDs has failed.
REFs menu pages 1, 2 and 3 are not synchronized.
The EFIS comparator will be inoperative
and is unable to compare one or more of the following
parameters: altitude, airspeed, roll attitude,
pitch attitude, heading, radio altitude, flight
director, localizer or glideslope
DCU FAULT TO/LAND
Channel A or B in the DCU failed.The yaw
damper may fail. The rudder travel limiter monitoring
may be inoperative
MFD X-TALK FAIL TO/LAND
Communication between the MFDs has failed,
and cross side tuning will not be available
RDC FAN FAIL TO/LAND
Channel A or B of the remote data concentrator
has failed
RDC FAULT TO/LAND
RDC channel A or B failed with no loss of functionality.
AURAL WARN A (B)
MUTED
The respective AURAL WARNING DCU A or
DCU B switch has been selected, muting all
warnings through that channel
REV 1
