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Symptom
Log is not displayed or
the values are not
displayed correctly.
Cause
The communication is not set
correctly.
The power supply for the log
equipment is not turned on.
The connection with the log
equipment is abnormal.
The power supply for the serial-LAN
interface circuit (CMH-2370) is not
turned on.
(Case where the log equipment is
connected to the serial-LAN interface
circuit).
The serial-LAN interface circuit
(CMH-2370) is faulty.
(Case where the log equipment is
connected to the serial-LAN interface
circuit).
The Gyro interface circuit (CMJ-554)
is not set correctly.
(Case where the log equipment is
connected to the Gyro interface
circuit).
The Gyro interface circuit (CMJ-554)
is faulty.
(Case where the log equipment is
connected to the Gyro interface
circuit).
The internal wiring is faulty.
The central control unit
(NDC-1590E/AE) is faulty.
20-9
Action
Set the communication correctly.
Turn on the power supply for the log
equipment.
Check the connection with the log
equipment.
When log equipment is connected to
the serial LAN interface circuit or gyro
interface circuit, check if the
corresponding LED blinks at signal
reception.
Turn on the power supply for the
serial-LAN interface circuit.
Make a request to the distributor for
repair.
Set the Gyro interface circuit
correctly according to the log
equipment.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Section 20 Failures and After-Sale Services
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