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Symptom
Sensor signals are not
displayed.
Autopilot is disabled.
Section 20 Failures and After-Sale Services
Cause
The communication is not set
correctly.
The power supply for the sensor
equipment is not turned on.
The connection with the sensor
equipment is faulty.
The power supply for the serial-LAN
interface circuit (CMH-2370) is not
turned on.
The internal wiring is faulty.
The indicator such as the
serial-LAN interface circuit
(CMH-2370), analog option circuit
(CMJ-560), and central control unit
(NDC-1590E) is faulty.
The communication is not set
correctly.
The autopilot function is not
operated correctly.
The power supply for the autopilot
equipment is not turned on.
The connection with the autopilot
equipment is faulty.
The power supply for the serial-LAN
interface circuit (CMH-2370) is not
turned on.
The serial-LAN interface circuit
(CMH-2370) is faulty.
The internal wiring is faulty.
The central control unit
(NDC-1590E) is faulty.
20-12
Action
Set the communication correctly.
Turn on the power supply for the
sensor equipment.
Check the connection with the
sensor equipment.
Check if the LED of the
corresponding port of the serial LAN
interface circuit is lit at data
reception.
Turn on the power supply for the
serial-LAN interface circuit.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Set the communication correctly.
Operate autopilot correctly.
Turn on the power supply for the
autopilot equipment.
Check the connection with the
autopilot equipment.
Check if the LED of the
corresponding port of the serial LAN
interface circuit is lit at data
reception.
Turn on the power supply for the
serial-LAN interface circuit.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
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