7. 3 Trouble Shootin s
17.3.1 Trouble Shootings
6WARNING
Do not attempt to inspect
or
repair the inside
of
this equipment with the
exception
of
qualified service personnel, as doing
so
may cause fire, electric
shock
or
malfunction.
If
any
malfunctions are detected, contact
our
service
center
or
agents.
F
or
re erence,
th"
ISSe
ct"
1on
presen
ts t bl h r
"d
I"
~
fi
d"
d
~
ct"
a rou
es oo mg
gUI
e me
or
m mg e e
1vese
ct"
1ons.
Symptom
of
Error Possible Cause
or
Cause
of
Fault Countermeasures
Power is not supplied Power
is
not distributed from the Supply power from the distribution
when the power switch inboard distribution panel. panel.
is pressed.
Power is not supplied from the power Check that the wiring
of
the power
supply unit
or
NCR-333.
unit is correct.
Check that the output voltage
of
the power unit or NCR-333 is
correct.
Power that the power unit supplies is Replace the power unit.
out
of
range.
The fuses
in
the Power Supply Unit Check that the wiring is correct
(Option) are blown out. and replace the fuses.
The power supply cable is broken. Replace the power supply cable.
The controller switch is broken. Replace the CMD-953 circuit
board.
Some dots are missing The LCD malfunctions.
Replace the LCD.
on
the
LCD.
The control unit malfunctions.
Replace the CMJ-50 1
NA
circuit
board.
No alarming sound is The buzzer malfunctions. Replace the CMD-953 circuit
generated. board.
The control unit malfunctions.
Replace
the CMJ-501NA circuit
board.
The illumination
does
The control unit malfunctions.
Replace
the CMJ-501NA circuit
not light.
board.
The LCD malfunctions. Replace the LCD.
No NAVTEX message The
polarity
or
antenna cable is
Check
if
the polarity is correct and
is received. incorrect. connect it.
Neither the receiving station nor the Refer to "6.3.1" or "6.3.2".
message type is selected correctly.
The NAVTEX antenna (NAW-333) is Replace the NAW-333.
damaged.
The following alarm number appears: Replace the CMN-2333A.
004.
Internal receiver 1, 2
or
3 is broken.
Sensor data (external The polarity
of
the serial cable is Check
if
the polarity is correct and
GPS, gyro, and incorrect. connect it.
rate-of-tum) cannot be
The interface between the sensor Check
if
the interface is correct
loaded.
and NCR-333 is incorrect. before its connection.
The sentence that the sensor
Check the output command and
generates is not supported
by the the version.
NCR-333.
The serial format (baud rate, etc.) Check the serial format
of
the
does not meet the setting
of
the sensor.
controller.
7-4
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