Instruction Manual

7-4
Symptom of Error Possible Cause or Cause of Fault Countermeasures
Sensor data (external
GPS, gyro, and
rate-of-turn) cannot be
loaded.
The DPU (CMJ-501N) malfunctions. Replace the CMJ-501N circuit
board.
The external printer is not ON. Turn on the external printer.
The printer power is not turned on. Check the printer power cable.
The external printer
does not print
Printer property (printer settings) is
incorrect.
Refer to “6.3.4.5”.
7.3.2 Maintenance Units
Maintenance units for repair are followings.
No. Unit Name Model Note
1 RX UNIT CMN-2333
2 DPU CMJ-501N
3 KEYBOARD UNIT CMD-953
4 NAVTEX ANTENNA NAW-333-1 ANTENNA for NCR-333
5 POWER SUPPLY UNIT NBG-319 DC: +12/24Vdc
6 POWER SUPPLY UNIT NBG-320 AC: 110/220Vac, DC: +12/24Vdc
7 Whip Antenna 5ABBE00001 0.6 m
Fuses
No. Unit Name Model Note
1 5A Fuse ULTSC 5A N1 For NBG-319
2 2A Fuse MQ4 250V 2A For NBG-320
3 4A Fuse MQ2 125V 4A For NBG-320
7.3.3 Spear parts for periodic maintenance
Spear parts for periodic maintenance are followings.
No. Unit Name Code Decline period Note
1 LCD Unit CCN-392 40,000 hours 5 years in continuous operation
2
Printer
(Option)
DPU-414 Approx. 500,000 lines
When the thermal paper of 25m roll
length is used, about 90 thermal
papers can be used.