Furuno NX-700A/B User Manual download pdf (Page 44)

3. MAINTENANCE & TROUBLESHOOTING

3-4

3.3 Troubleshooting

This section provides simple troubleshooting procedures which the user can

follow to restore normal operation. If you cannot restore normal operation do not

attempt to check inside the unit. Any trouble should be referred to a qualified

technician.

If . . . then . . .

you cannot turn on the power

-ask serviceman to replace the blown

fuse.

-check battery for proper voltage

output.

the equipment receives unwanted

messages.

confirm that Manual mode is chosen.

(See paragraph 2.6.)

check equipment by the diagnostic

test.

check the broadcasting schedule.

check that the D-sub connector is

firmly fastened.

NAVTEX signal cannot be received.

check that the antenna cable is firmly

fastened.

paper does not advance. (NX-700A only) load paper correctly.

paper feeds but no recording. (NX-700A

only)

check if correct thermal paper is being

used.

paper has darkened. (NX-700A only)

keep the paper in a well-ventilated and

cool place.

check the setting of Printer on the

System menu.

check the printer cable.

check that the power of printer is

turned on.

check that the printer is available.

the recording is not proper for the external

printer. (NX-700B only)

check that paper is set properly.

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Furuno NX-700A/B User Manual Page 44