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5.2 Alarm Codes
ID
Description Text
01 AIS: Tx malfunction
AIS: Antenna VSWR exceeds
02
limit (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
Installation Manual
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.
VHF Antenna,
Remedy:
cabling
Check if the antenna is AIS compatible (156-162 MHz) and if the antenna
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
Remedy:
on Ch1, Ch2 or
Id 25 indicates that the sentences GLL, GNS, GGA, RMC cannot be
Ch3 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 from
Reaction: The transponder unit continues operation.
internal GPS or
Remedy:
Check the sensor cabling and the antenna of the internal GPS sensor.
external
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
speed sensor or
and the cabling; check if the system that delivers the data is working.
internal GPS
Check the baud rate settings of the sensor inputs. AIS requires the
protocol NMEA 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
sensor or
and the cabling, check if the system that delivers the data is working.
internal GPS
Check the baud rate settings of the sensor inputs. AIS requires the
protocol NMEA 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
sensor
baud rate settings of the sensor inputs. Mention AIS accepts true
(Gyrocompass)
heading only (no magnetic).
Reaction: The transponder unit continues operation
No ROT
Remedy:
indicator is
The sentence for ROT cannot be received. If a Rate Of Turn indicator is
used.
not in use, then it suffices to just acknowledge the alarm. The Alarm
Status will store the information that no ROT sensor is available.
No valid data
Otherwise, check the sensor and the cabling. Check if the system that
from external
delivers the data is working. Check the baud rate settings of the sensor
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.
out of capacity
Remedy: consider to contact Technical Support for additional help
Reaction: Conditions for enabling 1 Watt TX power are not valid.
This means that:
Conditions for
enabling 1 Watt
TX power are
Remedy:
not valid
48
System Reaction / Remedy
the speed is >3kn and / or
the navigational status is NOT moored / at anchor and / or
the ship type is NOT "Tanker"
Check the conditions (SOG, Navstat, Shiptype)
if GPS is valid ( a invalid GPS causes also this alarm)
Y1-03-0212 Rev. E
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