Furuno FEA-2107-BB - Lost Speed

30. Steering With TOKYO KEIKI Autopilot PR-6000
30-29
30.9.3 Lost speed
Associated alarms (generated
at ECDIS)
Expected system performance What end operator
should do
• Sensor alarm, for example
Alarm "4008: Log error",
"4012…4016: Position
equipment error", etc.
• Acknowledge alarms.
• Study situation.
Within 30
seconds
• Alarm "2476 Route Needs
log sensor".
• Acknowledge alarms.
• Study situation.
After 2
minutes
then every 4
minutes
• Alarm "2506 Route: Use
AUTO control".
• Guidance for navigator. • Change immediately to
local autopilot control.
• Acknowledge alarms.
After 4
minutes
then every 4
minutes
• Alarm "2476 Route Needs
log sensor".
• Reminder • Acknowledge alarms.
• Study situation.
Within 10
minutes
• Alarm "2497 Route Stop-
Sensor fail".
• Acknowledge alarms.
• Study situation.
After Alarm
"2497 Route
Stop-Sensor
fail."
• Alarm "2471 RC/NAV-TC
STOP - Use AUTO" in
ECDIS is generated. Warning
lamp RC turns on and
steering mode indicator lamp
RC start flashing in Autopilot
control panel.
• If ship is in linear part, actual
heading is used as set course.
• If ship is turning, last set course
and radius are used to complete
the turn.
• Acknowledge alarms
• Study situation.
• Change steering mode
to "AUTO".