Troubleshooting - mcmurdo SmartFind M6 AIS CLASS A Installation Manual

5 TROUBLESHOOTING

Use the following guide to perform simple troubleshooting in case the transponder
does not function as it is expected. Due to the complexity of the operation
environment of marine electronics, it is recommended to minimize all possible
interference sources before proceeding with the troubleshooting by
•
Disconnecting other NMEA equipment from the AIS transponder such as
ECDIS, heading or gyro etc.
•
Switching off other emission sources such as radar or VHF radio.
Symptom
The transponder
will not power on
No GPS position
fix
No AIS
transmission
AIS range seems
too low
No AIS targets on
radar view and
target list
Sensor or Data
ports not
response
• Check that the voltage of the power supply has 12 V or 24
V.
• Check that the polarity is not switched.
• Check that the available current is sufficient for start-up.
• Check that the power connector is correctly connected
and secured.
• Increase Dimmer level of the display.
• Check for failed GPS antenna, damaged antenna cable
and connectors
• When the transponder's internal GPS does not have a
position fix, the time and date appearing in the upper
right corner of the display will not be correct.
• Check the GNSS status to see the received satellites and
their noise ratio.
• Make sure that MMSI number is correctly configured.
• Make sure that silent mode is switched off.
• Check that the available current is sufficient for
transmission.
• Check if the transponder might be operating in a regional
area set with different operating mode.
• Check VHF antenna and cable installation
• Make sure the transponder is not operating in low power
(1 W) mode.
• Check if VHF antenna, cabling and connector installations
are damaged.
• Check that wiring polarity is not switched
• Check that the transponder and the connected sensor
have the same baud rate
Possible cause and remedy
30