Operating manual ALPHASEAPILOT MFC Issue 1.1 Page 80 of 84
ALPHASEAPILOT MFC
3.4 Alarm Display Messages
(Accompanied by audible alarms when the Autopilot is engaged)
The following alarm messages will be displayed (if appropriate) in the alarm box at bottom left
and will be accompanied by an audible “bleep” unless the audible alarm has been muted.
(Section 2.8 refers).
3.4 (i) Heading Sensor Fail Messages:-
CPS HI FAIL - Signal from HSC is too large
CPS LO FAIL - Signal from HSC is too small
CPS PHS FAIL – Compass phase connection or HSC2 Coil defect
COMPASS FAIL – Potential HSC2 Coil defect
HDT 1 FAIL – NMEA Channel 1 $HDT Heading sentence fail
HDG 1 FAIL – NMEA Channel 1 $HDG Heading sentence fail
HDM 1 FAIL – NMEA Channel 1 $HDM Heading sentence fail
HCC 1 FAIL – NMEA Channel 1 $HCC Heading sentence fail
HDT 2 FAIL – NMEA Channel 2 $HDT Heading sentence fail
HDG 2 FAIL - NMEA Channel 2 $HDG Heading sentence fail
HDM 2 FAIL - NMEA Channel 2 $HDM Heading sentence fail
HCC 2 FAIL - NMEA Channel 2 $HCC Heading sentence fail
NO NMEA H`DG IN – No NMEA Heading data available of any type
CCA DAT FAIL – No Heading data or only one Heading data input available
3.4 (ii) Miscellaneous Failure Messages:-
MAIN PWR FAIL – Main 11-40Vdc power supply fail
BACK PWR Fail – Back up 11-40Vdc power supply fail
D.BOX FAIL – Internal Distribution Unit processor communication fail
REMOTE FAIL – No data received by Distribution Unit from Control Unit
NO DATA – No user data stored based on previous Set Up data adopted
RRU FAIL – Rudder Ref Unit pot defect or associated connections suspect
L/SW OPEN – Open circuit limit switch
STEER`G FAIL – No rudder movement in response to Autopilot order
MASTER REM. OFF/REMOTE
1 (2) (3) REQUEST – 2
nd
station request for control denied because Master station
REMOTE key not activated
+7V FAIL – Analogue voltage regulation defect
+3.5V FAIL - Analogue voltage regulation defect
+2.5V FAIL - Analogue voltage regulation defect
NO ORIDE CAL – Override power steer control requested but not calibrated
DRAFT IN FAIL – 4-20mA Draft input signal fail
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