Section 16 Failures and After-Sale Services 16-12
Symptom Cause Action
AIS information is not
displayed.
The communication is not set
correctly.
Set the communication correctly.
The power supply for the AIS
equipment is not turned on.
Turn on the power supply for the AIS
equipment.
The AIS
equipment does not perform
positioning.
Check the state of the AIS
equipment.
The connection with the AIS
equipment is abnormal.
Check the connection with the AIS
equipment.
When AIS equipment is connected to
the terminal board circuit
(CQD-2322), check if the LED of the
corresponding port is lit at data
reception.
The internal wiring is faulty.
Make a request to the distributor for
repair.
The processing unit (NDC-1678) is
faulty.
Make a request to the distributor for
repair.
The power is not supplied to the
serial LAN interface (CMH-2370)
inside of junction box NQE-1143.
(Case where the AIS equipment is
connected to junction box NQE-1143)
Turn on the power supply for the
serial-LAN interface circuit.
The power is not supplied to the
serial LAN interface (CMH-2370)
inside of junction box NQE-1143.
(Case where the AIS equipment is
connected to junction box NQE-1143)
Make a request to the distributor for
repair.
The azimuth of the Gyro
compass is not
displayed.
Alternatively, the azimuth
rotation direction is not
displayed correctly.
The communication is not set
correctly.
Set the communication correctly.
The power supply for the Gyro
compass equipment is not turned on.
Turn on the power supply for the
Gyro compass equipment.
The connection with the Gyro
compass equipment is abnormal.
Check the connection with the Gyro
compass equipment.
When Gyro compass equipment is
connected to the terminal board
circuit (CQD-2322), check if the
corresponding LED is lit at signal
reception.
The internal wiring is faulty.
Make a request to the distributor for
repair.
The processing unit (NDC-1678) is
Make a request to the distributor for
repair.