Konsberg AIS 200, Installation Manual

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Kongsberg AIS 200 Installation Manual, rev. 2 Maintenance
7. TROUBLESHOOTING
7.1 General
The LED indicators on the front of the Mobile Unit can be used to monitor status as well as
data reception and transmission.
LED Colour Description
TX Off
Amber
Green
Red
Transmitter idle
Transmitting on AIS channel B
Transmitting on AIS channel A
Transmitter turned off
MSG Off
Amber
Green
No message/report being received
Message/report received on channel B
Message/report received on channel A
GPS Amber
Green
Indirect synchronisation free run
Internal GPS OK, GPS synch selected
ALM Off
Red
No alarm
Alarm - alarm relay activated
Prior to any troubleshooting, the system should be restarted to see if this resolves the
problem.
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Restart the Mobile Unit as described in the Kongsberg AIS 200 User Manual .
•
Remove the + 24 V power supply cable and then reapply power.
7.2 Hardware problems
Hardware problems can be divided into the following categories:
Power supply failure
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GPS receiver failure
VHF transceiver failure
GPS and VHF antennas and cables
Interface cables
If the system outputs an alarm, the alarm condition can be read from the display.
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