Appendix; Maintenance; Troubleshooting; Accessories - Navico Class B Transceiver NAIS-300 Manual

5 Appendix

5.1 Maintenance

Periodically check that the cables are secure and that the
connectors have not worked their way loose.

5.2 Troubleshooting

These simple checks should be carried out before seeking
technical assistance and may save time and expense.
General Symptom
Unit will not switch on
No GPS Position fix
No AIS transmission
No reception of
NMEA018-HS
No reception of
SimNet/NMEA000
data

5.3 Accessories

The following accessories are available from local Navico
agents:
VA14*
* One off required for operation
Possible Cause
Faulty connector to power
•
Fuse has blown
•
Antenna or cable problem
•
MMSI not entered
•
Transmit disabled
•
RS cable problem
•
RS485 cable problem
•
SimNet/NMEA cable
•
problem
VHF AIS antenna - S/S whip with 0 metres
Cable, terminated in a PL59 plug.
Remedy
Check power
•
connection
Replace fuse and check
•
power supply
Check antenna cable
•
and connections
Enter MMSI number
•
(see chapter )
Enable Transmit (see
•
section 4.)
Check cables
•
Check SimNet/NMEA
•
cables
Check power cables
•
Appendix 19