NSR Marine NVR-3000, Operation And Installation Manual

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NVR-3000 OPERATION MANUAL & INSTALLATION MANUAL
NVR-3000 OM.E 20210412-02
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6. MAINTENANCE
6.1 Maintenance
Regular maintenance helps to keep your equipment in good condition and prevents future problems. Check the
items shown in the table below.
Item Check point Remedy/Remarks
Antenna Check for physical damage and corrosion. Replace damaged parts.
Transceiver
unit

Check grounding and cable connections.

Remove dust from the transceiver unit
with soft cloth.
Note: Do not use chemical cleaners to clean
the transceiver unit; they can remove paint or
markings and deform the equipment.

Tighten loosened connections.

Wipe the LCD carefully to prevent
scratching, using tissue paper and an
LCD cleaner. To remove dirt or salt
deposits, use an LCD cleaner, wiping
slowly with tissue paper so as to
dissolve the dirt or salt. Change paper
frequently so the salt or dirt does not
scratch the LCD.
Power supply
Check that the supply voltage at transmission
is within the rated range (21.6 to 31.2 VDC at
the input of Power Supply Unit. If not within the range, check power
source. Low or over voltage may cause
operation abnormal.
6.2 Simple Troubleshooting
The table below provides possible problems and the means with which to restore normal operation. If normal
operation cannot be restored, do not attempt to check inside the equipment. Any servicing should be referred to a
qualified technician.
Problem Probable cause Remedy
Power cannot be turned on.

Mains switchboard is off.

(DC) voltage is too high.

Turn on the mains switchboard.

Check supply voltage.
Dark display. Display brightness is too low.
Press the DIM button to adjust the
display brightness.
Power is on but no sound
from the main speaker.
Main speaker is off.
Press the VOLUME knob to turn on the
main speaker.
6.3 Error Messages
The table below shows error messages, their meanings, and remedies. Please refer to section 2.11.2. If other error
occurs, contact your dealer.
Error message Meaning Remedy
WRONG MMSI
You tried to send a DSC message
but your MMSI has not been
registered in the equipment.
Enter MMSI of own ship.
GENERAL FAULT HW error. Check equipment. Check Version menu
LOST POSITION
Position data is not updated for 15
minutes. Check external GNSS data input or
enter the position.