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5. MAINTENANCE, TROUBLESHOOTING
5-2
5.2 Replacement of Fuse
Two fuses (125V 4A) in the processor unit protect the equipment from reverse polarity
of the ship's mains and equipment fault. If a fuse blows, you cannot turn on the power.
Have a qualified technician check the set.
5.3 Diagnostics
The tests on the diagnostic menu check if your NAVpilot works properly. The tests are
for use by service technicians, but you can do the tests to help the technician in trou-
bleshooting.
If NG appears, repeat the test. If the error condition continues, contact your dealer.
5.3.1 Diagnostic menu
1. In the STBY mode, long press the key to open the menu.
2. Rotate the Course control knob to select [Other Menu] then push the knob.
3. Rotate the Course control knob to select [System Setup] then push the knob.
4. Rotate the Course control knob to select the current setting for [Diagnostic] then
push the knob.
The diagnostic test options window appears.
Note: The test options change according to the setting of NAVpilot.
Parts name Type Code no. Remarks
Fuse FGMB 125V 4A PBF 000-157-482-10 Supplied as spare parts
Use the proper fuse.
Use of a wrong fuse can cause fire or
damage the equipment.
WARNING
OFF
Processor Unit
Control Unit
NMEA0183 Test
CAN Bus Test
Keyboard Test