Appendix A Alert and Maintenance INFO List A-6
Message Subject Explanation
Category
LAT(Out Of Bounds) ECDIS Exceeded the system's operating latitude
range (out of bounds)
A
Joystick(Communication
Failed, MainLAN)
MJS-90
00
A communication error with MJS via Main
LAN was detected.
B
Joystick(Communication
Failed, SubLAN)
MJS-90
00
A communication error with MJS via Sub LAN
was detected.
B
LCD Fan#n(LCD) Display
Unit
The LCD fan#n stopped
B
LCD High TEMP Display
Unit
LCD temperature rise B
Lost(AIS) RADAR/
AIS
Signals of AIS target have become unable to
receive. The current position is predicted
based on the data received last.
A
MJS IF <->
AP(Communication error)
MJS-90
00
Communication error between MJS IF and
AP
B
MJS IF(Unit failure) MJS-90
00
MJS IF Unit failure B
MJS OPE <-> MJS
IF(Communication error)
MJS-90
00
Communication error between MJS OP and
MJS IF
B
MJS OPE(Unit failure) MJS-90
00
MJS OPE UNIT failure B
New Target(AIS) RADAR/
AIS
AIS is in the initial acquisition state A
OPA-OPB(Communication
error)
Operati
on
section
OPA-OPB open detection B
OPU-Serial(Communication
error)
Control
section
Communication error between the
Companion MPU and the operation unit
(serial)
B
OPU-USB(Communication
error)
Control
section
Communication error between the
Companion MPU and the operation unit (USB
connection)
B
Position monitor TCS Monitoring of the position A
Position(GPS#n) Not
Differential
INS GPS#n is not DGPS B
Position(invalid) INS There is a format error or a status error of the
Position data.
B
Position(Navigational
Status Not Valid, GPS#n)
TCS Navigational status of GPS is not valid. B
Position(not plausible) INS There is a range error of Position data. B
Position(Outside Of
Expected)
INS Position data is out of the expected range B
Position(unavailable) INS The backup position data cannot be received
or cannot be calculated.
B
Position1(NON-WGS84) ECDIS Primary datum failure B
Position2(NON-WGS84) ECDIS Secondary datum failure B
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