A-5 Appendix A Alert and Maintenance INFO List
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APP A
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Message Subject Explanation
Category
CPU High TEMP Control
section
(RPS) CPU temperature rise B
Crossing a
danger(Buoy/Light)
ECDIS The position is near a buoy or a lighthouse.
A
Crossing a
danger(dangerous symbol)
ECDIS The position is near a dangerous symbol.
A
Crossing a
danger(obstruction)
ECDIS The position is near an obstruction.
A
Crossing a danger(under
water rock)
ECDIS The position is near an under water rock.
A
Crossing a danger(wreck) ECDIS The position is near a wreck.
A
Crossing a User defined
Warning Object
ECDIS Crossing a User defined Warning Object A
Crossing depth area
ECDIS The ship is navigating in a water shallower
than safety waters.
A
Crossing dredge area
ECDIS The position is near a dredge area.
A
Crossing ice area
ECDIS The position is near an ice area.
A
Dragging anchor ECDIS Own ship exited from the dragging anchor
monitoring area
If Dragging anchor warning is not
acknowledge for 2 minutes, the warning
escalates to alarm.
A
Early course change TCS Early course change alarm
3-6 minutes prior to the arrival at WOL
A
End Of Track TCS Final WP notice
3-6 minutes prior to the arrival at final WP
A
e-Token(Communication
error)
Control
section
Communication error between the CPU and
e-Token
B
External TT#n(invalid) INS TT#n data validity error B
External
TT#n(unavailable)
INS TT#n data not received yet B
GIF(Communication error) Control
section
Communication error between the
Companion MPU and the Gyro IF (USB
connection)
B
GIF-RIF(Open) Control
section
The open state was detected between the
GIF and the RIF
B
GIF-SLC(Open) Control
section
The open state was detected between the
GIF and the SLC
B
HASP(Communication
error)
Control
section
Communication error between the CPU and
the HASP
B
Heading(invalid) INS There is a format error or a status error of the
Heading data.
B
Heading(not plausible) INS There is a range error of Heading data. B
Heading(unavailable) INS The Heading data cannot be received. B
ISW(Communication error) RADAR/
AIS
Communication error between the
Companion MPU and the ISW
B
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