Alarm Codes - ACR Electronics NAUTICAST inland AIS Installation Manual

Automatic identification system
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5.2 Alarm Codes

ID
Description Text
01 AIS: Tx malfunction
AIS: Antenna VSWR exceeds limit
02
(VSWR - Voltage Standing Wave
Ratio)
03 AIS: Rx channel 1 malfunction
04 AIS; Rx channel 2 malfunction
05 AIS: Rx channel 70 malfunction
06 AIS: General failure
AIS; External EPFS lost (EPFS =
25
electronic Position Fixing System
such as GPS)
26 AIS: No sensor position in use
29 AIS: No valid SOG information
30 AIS: No valid COG Information
32 AIS: Heading lost/invalid
35 AIS: No valid ROT Information
53 AIS: BATTERY SOON LOW
AIS: PRESS ENTER TO EXIT
55
1W/AUTO TX MODE
56 AIS: ENTER MMSI NUMBER
Y1-03-0212H
Cause/Source
Reaction: The transponder unit stops transmission. If Alarm ID 01 and ID 02
are simultaneously displayed, then a major antenna problem has arisen.
Remedy:
VHF Antenna,
Check if the antenna is AIS compatible (156-162 MHz) and if the antenna
cabling
cabling has a short circuit or is missing any contacts at the connectors.
If the ID 01 is displayed as a stand alone message, then the unit requires
replacing.
Reaction: The transponder unit continues transmission.
VHF antenna,
Remedy:
Check the antenna and the antenna cabling (RG214 / 50 Ohm cable
installation
required).
Reaction: The transponder unit stops transmission on the affected channel,
Internal error
Remedy;
If this alarm reoccurs regularly, then the transponder unit requires replacing.
Reaction: The transponder unit stops transmission.
Internal error
Remedy;
The transponder unit requires replacing.
Reaction: The transponder unit continues operation using the position data
of the internal GPS. If there is no valid position data available from the
internal GPS, error 026 is additionally displayed.
No valid data on
Remedy:
Ch1, Ch2 or Ch3
Id 25 indicates that the sentences GLL, GNS, GGA, RMC cannot be
is available
received. Check the sensor and the cabling; check if the system that delivers
the data is working. Check the baud rate settings of the sensor inputs. AIS
requires the protocol NMEA 0183 V3.0!
No valid position
Reaction: The transponder unit continues operation.
from internal
Remedy:
GPS or external
Check the sensor cabling and the antenna of the internal GPS sensor.
position sensor
Reaction: The transponder unit continues operation and displays SOG: N/A
No valid data
Remedy:
from external
The sentences VBW, VTG, RMC cannot be received. Check the sensor and
the cabling; check if the system that delivers the data is working. Check the
speed sensor or
baud rate settings of the sensor inputs. AIS requires the protocol NMEA
internal GPS
0183 V3.0!
Reaction: The transponder unit continues operation and displays COG: N/A
No valid data
Remedy:
from external
The sentences VBW, VTG, RMC cannot be received. Check the sensor and
the cabling, check if the system that delivers the data is working. Check the
sensor or internal
baud rate settings of the sensor inputs. AIS requires the protocol NMEA
GPS
0183 V3.0!
Reaction: The transponder unit continues operation
No valid data
Remedy:
from external
The sentence for HDT cannot be received. Check the sensor and the
cabling, check if the system that delivers the data is working. Check the baud
sensor
rate settings of the sensor inputs. Mention AIS accepts true heading only (no
(Gyrocompass)
magnetic).
Reaction: The transponder unit continues operation
Remedy:
No ROT indicator
The sentence for ROT cannot be received. If a Rate Of Turn indicator is not
is used.
in use, then it suffices to just acknowledge the alarm. The Alarm Status will
No valid data
store the information that no ROT sensor is available. Otherwise, check the
from external
sensor and the cabling. Check if the system that delivers the data is working.
sensor
Check the baud rate settings of the sensor inputs. The AIS requires the
protocol NMEA 0183 V3.0!
Battery is soon
Reaction: Own ship data is lost after powering on/off the system.
Remedy: consider to contact Technical Support for additional help
out of capacity
Reaction: Conditions for enabling 1 Watt TX power are not valid.
This means that:
Conditions for
the speed is >3kn and / or
enabling 1 Watt
the navigational status is NOT moored / at anchor and / or
the ship type is NOT "Tanker"
TX power are not
Remedy:
valid
Check the conditions (SOG, Navstat, Shiptype)
if GPS is valid ( a invalid GPS causes also this alarm)
Reaction: During the initial boot or after "factory settings" the user is asked to
No valid MMSI
enter a valid MMSI. As long as this is not done, the system does not
transmit.
entered.
Remedy: Enter a valid MMSI
System Reaction / Remedy
49

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