Appendix A Alert List A-6
Message Subject Explanation Category
No.#n
Remote-Conning(Com
munication failed, Main
LAN)
INS No.#n Remote-Conning communication failure on
LAN1 (main network)
B
No.#n
RPS(Communication
failed, Main LAN)
INS No.#n RPS communication failure on LAN1 (main
network)
B
No. #n
Wing-Conning(Commu
nication failed, Main
LAN)
INS No.#n Wing-Conning communication failure on
LAN1 (main network)
B
OPA-OPB(Communicati
on error)
Operatio
n section
OPA-OPB open detection B
OPU-Serial(Communic
ation error)
Control
section
Communication error between the Companion
MPU and the operation unit (serial)
B
OPU-USB(Communicat
ion error)
Control
section
Communication error between the Companion
MPU and the operation unit (USB connection)
B
Position Monitor TCS Position monitor
(Displayed by TCS Ed.1/Ed.2)
B
Position(failed) INS Integrity verification of Position data failed B
Position(GPS#n) Not
Differential
INS GPS#n is not DGPS B
Position(Navigational
Status Not Valid,
GPS#n)
TCS The Navigation status flag of GPS#n is invalid. B
Position#n(NON-WGS8
4)
ECDIS Geodetic positioning system error B
Power(AC Low Voltage) Power
supply
AC Power supply OFF B
Power(DC Low Voltage) Power
supply
DC Power supply voltage low B
Power Fail Control
section
3.3V/2.5V/1.5V/1.2V and other receiving power
dropped or stopped
B
Power(Fan) Power
supply
The fan in the power supply unit is broken
B
Power(TXRX, Failed) Power
supply
Antenna power supply failure operation B
RIF(Communication
error)
Control
section
Communication error with Companion MPU-RIF. B
ROT(invalid) INS ROT data validity error B
ROT(unavailable) INS ROT data not received yet B
Rudder(Communication
failed, Main LAN)
INS Rudder communication failure on LAN1 (main
network)
B