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Alarms
, warnings, and cautions
Appendix A: Alphatron MFS Alerts
Alert display messages and BAM alert types
Alert Text
Message Text
BAM Alert Type
No alert
None
Lost HDG control
HCS Failed. Switch to Manual steering
Alarm
Doubtful heading
Deviation between heading sources exceeded limit
Warning / Alarm
Doubtful heading
Heading monitor function is impossible
Warning / Alarm
HCS power fail
HCS working normally on Backup Power only
Caution
HCS power fail
HCS working normally on Main Power only
Caution
Off-heading
Yawing is too big: take helm to keep steady
Alarm
Off-heading
Yawing is too big: take helm to keep steady
Warning
HCS unavailable
Internal Distribution Unit Failure
Caution
HCS unavailable
Internal Distribution Unit +7V Error
Caution
HCS unavailable
Internal Distribution Unit +3.5V Error
Caution
HCS unavailable
Internal Distribution Unit +2.5V Error
Caution
HCS unavailable
No HDG source available, Step HDG failed
Caution
HCS unavailable
No HDG source available, Step HDG not aligned
Caution
HCS unavailable
No HDG source available
Caution
HCS unavailable
No HDG source available, Mag Compass failed
Caution
HCS fault
Track steering failed. No input data
Warning / Alarm
HCS fault
HCS fault. Switch to manual steering
Warning / Alarm
HCS fault
HSC unavailable. Control unit fault.
Warning / Alarm
HCS fault
No Setup data
Caution
HCS fault
Control unit interface error
Caution
HCS fault
Rudder feedback A failed
Caution
HCS fault
Rudder feedback B failed
Caution
HCS fault
Draft adaptive control unavailable, no data
Caution
Low speed
Ship’s speed too low for HDG control
Warning / Alarm
HDG in fallback
Step HDG lost, normal HC using Gyro 1
Caution
HDG in fallback
Step HDG lost, normal HC using Gyro 2
Caution
HDG in fallback
Step HDG lost, normal HC using Mag Compass
Caution
HDG in fallback
Gyro 1 lost, normal HC using Gyro 2
Caution
HDG in fallback
Gyro 1 lost, normal HC using Mag Compass
Caution
HDG in fallback
Gyro 1 lost, normal HC using Step HDG
Caution
HDG in fallback
Gyro 2 lost, normal HC using Gyro 1
Caution
HDG in fallback
Gyro 2 lost, normal HC using Mag Compass
Caution
HDG in fallback
Gyro 2 lost, normal HC using Step HDG
Caution
HDG in fallback
Mag Compass lost, normal HC using Gyro 1
Caution
HDG in fallback
Mag Compass lost, normal HC using Gyro 2
Caution
HDG in fallback
Mag Compass lost, normal HC using Step HDG
Caution
No radius control
Radius control unavailable, no SOG data
Caution
No SPD adaptive
SPD adaptive control unavailable, no STW data
Caution