9.1  Fault Finding
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Table 9-2    List of System Alarm Message 
Message Class  Description 
ALR
No. 
Autopilot (Data) 
Alarm 
Autopilot: No communication or data error.  101 
Current (Data) 
Alarm 
Tidal current: No communication or data error.  119 
Date (Data) 
Alarm 
Date data: No communication or data error.  112 
Datum (Data) 
Alarm 
DTM: No communication or data error.  122 
Depth (Data) 
Alarm 
Water depth: No communication or data error.  115 
Fan (LCD) 
Alarm 
LCD monitor: Fan error.  955 
GPS (Status) 
Alarm 
GPS status error.  103 
GYRO I/F (Data) 
Alarm 
GYRO I/F: No communication or checksum error.  324 
GYRO I/F (GYRO) 
Alarm 
GYRO I/F: GYRO error detected.  110 
GYRO I/F (Log) 
Alarm 
GYRO I/F: Log error detected.  111 
Heading (Data) 
Alarm 
Heading data: No communication or data error.  113 
Keyboard (Data) 
Alarm 
Operation unit: Communication error or checksum error.  325 
Keyboard2 (Data) 
Alarm 
Second operation unit: Communication error or checksum error.  325 
Out of Bounds 
Alarm 
Own ship's latitude is over 85°N or 85°S.  123 
Position (Data) 
Alarm 
Latitude / longitude data: No communication or data error.  102 
PROC (AZI) 
Alarm 
Process unit: AZI error.  305 
PROC (HL) 
Alarm 
Process unit: HL error.  306 
PROC (Interrupt) 
Alarm 
Process unit: Interrupt error.  962 
PROC (Trigger) 
Alarm 
Process unit: Trigger error.  304 
PROC (Video) 
Alarm 
Process unit: VIDEO error.  303 
ROT (Data) 
Alarm 
Rate of Turn: No communication or data error.  120 
RSA (Data) 
Alarm 
Rudder Sensor Angle: No communication or data error.  121 
Speed (2AXG)   
Alarm 
2-axis log (speed over ground): No communication or data error.  114 
Speed (2AXW)   
Alarm 
2-axis log (speed over water): No communication or data error.  114 
Speed (GPS)   
Alarm 
GPS speed: No communication or data error.  114 
Speed (Log) 
Alarm 
1-axis log: No communication or data error.  114 
SRB (Data) 
Alarm 
SRB: No communication or data error.  960 
TEMP (Data) 
Alarm 
Water temperature: No communication or data error.  117 
TXRX (AZI) 
Alarm 
Scanner: BP error.  311 
TXRX (Data) 
Alarm 
Scanner: No communication, communication mismatched, 
checksum error, or collision. 
326 
TXRX (Fan 1)  Alarm 
Scanner: FAN 1 error. 
Scanner Unit NKE-2254-7/9/6HS (JMA-5322-7/9/6HS) : B201 
Scanner Unit NKE-1130 (JMA-5332-12) : B103 
320 
TXRX (Fan 2)  Alarm 
Scanner: FAN 2 error. 
Scanner Unit NKE-2254-7/9/6HS (JMA-5322-7/9/6HS) : B202 
Scanner Unit NKE-1130 (JMA-5332-12) : B104 
320 
TXRX (HL) 
Alarm 
Scanner: HL error.  312 
TXRX (MHV) 
Alarm 
Scanner: Modulator’s high voltage alarm.  315 
TXRX (Reverse) 
Alarm 
Scanner: Reverse rotation.  313 
TXRX (SSW Off) 
Alarm 
Scanner: Safety switch OFF.  308 
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