COBHAM AVIATOR 700S - Appendix B System Messages

98-158751-B B-1
Appendix B
System messages
B
This appendix has the following sections:
• BITE error codes
The AVIATOR 700S system shows system messages in connected display units (e.g.
MCDU) or in the security and system log files of the CSDU when extracted in
maintenance-allowed mode.
B.1 BITE error codes
BITE error codes contain information from the AVIATOR 700S system. This
information is a result of a POST or PAST sequence or Continuous Monitoring performed
by the Built-In Test Equipment. BITE error codes and explanation is shown in the MDCU
display.
B.1.1 List of BITE error codes
Fault
message
code
Fault message
subject
Failure cause Consequences on the system
FDCE
type 1
1 SDU1(5RV1) Faulty SDU One or more system functions will
be significantly degraded, possibly
to the extend of being unable to
communicate with other A/C
LRUs, unable to log onto Inmarsat
network or unable to support
cockpit and/or cabin voice/data
calls depending on the failure
SATCO
M Fault
2 SDU1(5RV1) Faulty SDU One or more system functions may
suffer minor degradations,
depending on the specific failure
cause.
Loss of
AISD or
PIESD
Communi
cation
4 SDU1(5RV1) Faulty SDU Loss of all communications SATCO
M Fault
7 SCM1(78RV1
)
SCM failure Probable loss of all
communications
SATCO
M Fault
Table B-1: BITE error codes