LED Status indicator

The LED status indicator on the transceiver provides an indication of product status.

DiagnosticsLED Status
Color Status

Green

Transceiver is powered up and operating normally.

Amber

Transceiver is not transmitting.

  • Wait at least 30 minutes to check that a ‘Quiet time’ has not been requested by the local authority.

Red

Transceiver fault / MMSI number not programmed.

  • Check MMSI number and static data has been correctly configured.

  • Check GNSS antenna is properly connected and has a clear unobstructed view of the sky.

  • Check the VHF antenna is properly connected and is not short circuiting to the vessel structure.

  • Check that power supply is at the correct voltage (12 V dc or 24 V dc).

  • Excessive difference between Heading from an input device, and COG.

Blue

Transceiver is running in silent mode (not transmitting). To disable silent mode:

  • Check the AIS Silent mode setting on your MFD.

  • Check the position of the dedicated Silent mode switch, if fitted (the switch will override the MFD setting).

  • Where no dedicated switch is fitted, check that the Light Green and Orange wires on the power/data cable are not shorting together.