R5 SOLID AIS System
TROUBLESHOOTING
7000 118-200, C2 Page 59
7.3.12 AIS: Active AIS SART (ID 014)
This alarm is generated when the R5 SOLID has received an active AIS SART position
report.
7.3.13 AIS: External EPFS Lost (ID 025)
This alarm is generated if the position from the external Electronic Position Fixing
System is invalid (i.e. no external GNSS). Due to the fallback arrangement for the
positioning sensor this alarm can be inactive up to 30 seconds (during which the
internal GNSS is used) before the alarm is activated.
7.3.14 AIS: No Sensor Position In Use (ID 026)
This alarm is active if the R5 SOLID does not have a valid position (latitude/longitude)
from any sensor.
7.3.15 AIS: No Valid SOG Information (ID 029) / No Valid COG
Information (ID 030)
These alarms are active if the R5 SOLID does not have a valid SOG (Speed Over
Ground) or a valid COG (Course Over Ground) from any sensor. The SOG and COG is
based on the speed log (if external GNSS is used and a valid heading is available) or
the GNSS currently in use.
7.3.16 AIS: Heading Lost/Invalid (ID 032)
This alarm is generated if either the heading information is lost/invalid (from external
sensors) or if the heading is undefined.
7.3.17 AIS: No Valid ROT Information (ID 035)
This alarm is active if ROT (Rate of Turn) is undefined or if no valid ROT information is
available from external sensor or internal calculations.
7.3.18 IAIS: Ship Size mismatch (ID 060)
This alarm is active when the inland parameters length and beam of ship does not
match the antenna position parameters A, B, C and D.
7.3.19 AIS: Tx disabled externally (ID 072)
This alarm is active when an external silent switch is used and the switch has disabled
transmissions.
7.4 Troubleshooting via the Display
There is a lot of information and data accessible via the display that can be useful for
troubleshooting, and that can help finding a presumed problem. The following items are
just a few examples of what to look at.
7.4.1 Transmitted Own Ship Data View
When the transponder transmits data on the VDL, it also simultaneously outputs this
data on all the serial ports. This information is displayed in the Transmitted Own Ship
Data view.
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