Navico UK Ltd NAIS-300 用户手册
18
LD2342 V1.3 Page 18 of 18
SRT Marine
User guide
SRT-MTB
©
proAIS Application
Problem
Possible cause
Solution
Active alarm shown:
12V Power supply fault
12V Power supply fault
The power supply to the AIS is outside
the specified range.
the specified range.
Check the power supply voltage to the
AIS against that specified in the
installation manual.
AIS against that specified in the
installation manual.
Active alarm shown:
Channel A Noise fault OR
Channel B Noise fault
Channel A Noise fault OR
Channel B Noise fault
The AIS cannot transmit because the
background noise level is too high
background noise level is too high
Check the VHF antenna connections.
Check the AIS installation manual
against the specification of your VHF
antenna.
In very busy shipping channels this
alarm may appear temporarily. This is
normal operation for Class B AIS.
Check the AIS installation manual
against the specification of your VHF
antenna.
In very busy shipping channels this
alarm may appear temporarily. This is
normal operation for Class B AIS.
Active alarm shown with message not
listed here
listed here
The VHF antenna is not connected or is
not suitable for use with the AIS.
AIS has an internal fault.
not suitable for use with the AIS.
AIS has an internal fault.
Check the VHF antenna connections.
Check the AIS installation manual
against the specification of your VHF
antenna.
Please contact your dealer.
Check the AIS installation manual
against the specification of your VHF
antenna.
Please contact your dealer.