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The AIS alerts received from external sensors are as shown below.
For the AIS alerts received from external sensors, alert messages are suffixed by (External).
Example: Antenna VSWR exceeds limit (External)
Message
Antenna VSWR exceeds
limit
Data Flash memory err
external EPFS lost
general failure
Heading lost/invalid
MKD connection lost
mkd connection lost
no sensor position in use
no valid COG information
no valid ROT information
no valid SOG information
Not Transmitting Tx
malfunction
Pa current error
Pa temp error
Power supply error
Program Flash memory
err
Rx channel 1 malfunction
Rx channel 2 malfunction
Rx channel 70
malfunction
SSD mismatch
Tx pll unlock
Tx power down
Tx power supply error
Tx power too high
Tx power too low
Tx stop interrupt
Vr error
Appendix A Alert List
Subjec
t
AIS
Antenna output error
AIS
Transponder data storage circuit error
AIS
Abnormality in external EPFS connection
AIS
General error
AIS
Ship's heading data has not been input or is invalid.
AIS
Abnormality in the connection between the
transponder and the controller
AIS
No response from the transponder (detected in the
display)
AIS
Internal GPS data has not been input or is invalid.
AIS
COG data has not been input or is invalid.
AIS
ROT data has not been input or is invalid.
AIS
SOG data has not been input or is invalid.
AIS
Malfunction at or during transmission
AIS
Error in the current during transmission
AIS
Abnormal temperature rise during transmission
AIS
Error in power supply voltage
AIS
Control circuit error of the transponder
AIS
Malfunction of reception channel 1
AIS
Malfunction of reception channel 2
AIS
Malfunction of reception channel 70
AIS
Mismatch in static information (between the display
and the transponder)
AIS
Error in the synthesizer circuit for transmission
AIS
Transmit by reducing output power due to error
AIS
Error in power supply voltage during transmission
AIS
Power is higher than the specified transmission
power.
AIS
Power is lower than the specified transmission power.
AIS
Transmission is forcibly stopped by the transmission
monitoring circuit.
AIS
Transmission system output error
A-10
Explanation
Alert ID
002
063
025
006
032
008
064
026
030
035
029
001
054
055
053
062
003
004
005
065
060
051
052
059
056
058
057
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