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2. MAINTENANCE, TROUBLESHOOTING
2-3
2.3 Troubleshooting
The troubleshooting table below provides common symptoms of trouble and
the means to rectify them. If you cannot restore normal operation, do not
attempt to check inside the equipment. Refer any repair work to a qualified
technician.
Troubleshooting
Symptom Remedy
Power
Cannot turn on the power. • Check that the power connector is firmly fastened.
• Check the power supply.
Transmitting, receiving messages
Cannot transmit or
receive.
• Check that the VHF antenna cable is firmly
fastened.
• Check the VHF antenna.
• For TX message, try different TX channel.
(operating sequence: MENU, MSG, CREATE
MSG, SET MSG TYPE, CHANNEL)
Can transmit but message
is sent to wrong party.
• On the SET MSG TYPE sub-menu, check that
ADRS TYPE is selected to ADRS-CAST and
MMSI is correct, before sending a message.
(operating sequence: MENU, MSG, CREATE
MSG, SET MSG TYPE, ADRS TYPE and MMSI)
Position data
No position data • Check the GPS antenna for damage.
• Check the GPS antenna cable and its connectors.