User's Manual

Table Of Contents
Alarms and notifications
98-137573-A Chapter 6: Service & maintenance 6-5
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Service & maintenance
6.4.2 List of alarms
Alarm Consequence Reason Remedy
Connection
lost
AIS list is empty,
the padlock for
password
protection
cannot be
opened.
Someone has logged into
the TT-6282A AIS Service
Interface.
TRX has no power
TRX-MKD connection
cable is defect
TRX lost Ethernet
connection
TRX or MKD use wrong
connection settings.
After logout from
the TT-6282A AIS
Service Interface
resumes normal
operation. Allow up
to 30 s.
Tx
malfunction
(ID 001)
The SAILOR
6282 AIS
Transponder
stops
transmission.
The AIS is not able to
transmit for technical
reasons (VSWR exceeds
allowed ratio, see alarm ID
002)
Missing or invalid MMSI
The integrity of the VDL is
degraded by incorrect
transmitter behaviour for
instance in case of the Tx
shutdown procedure has
been activated.
Check the VHF
antenna, plugs, and
cable to the AIS
Transponder. Check
correct
programming of
the MMSI.
Antenna
VSWR
exceeds
limit
(ID 002)
The SAILOR
6282 AIS
Transponder
continues
operation.
For every transmission,
the VSWR is checked. If it
exceeds the warning
threshold, this alarm is
generated. The alarm is
cleared by the AIS when
the VSWR is measured to
be below the threshold
again.
Check the VHF
antenna, plugs, and
cable to the AIS
Transponder.
Rx channel
AIS 1
malfunction
(ID 003)
The SAILOR
6282 AIS
Transponder
stops
transmission on
the affected
channel.
If continuous monitoring
of the receiver channel 1
shows inconsistency, this
alarm is activated.
Check the VHF
antenna, plugs, and
cable to the AIS
transceiver.
Table 6-1: AIS Alarms