Nexus 21 NX2 - Manual (Page 24)

SERVER
3 Maintenance and fault finding
3.1 Maintenance
• To clean the instrument, use only mild soap solution and rinse
with water.
• Do not use detergents or high pressure washing equipment.
• At least once a year, check all your connections and apply
additional silicon paste at each connection point.
• Always use the instrument cover for protection, when not in
use.
• Storing transducers and instruments when not in use for
longer periods: It is advisable to remove the instruments and
transducers, and store them inside the boat or at home in
room temperature, if possible.
3.2 Fault finding
Before you contact your Nexus dealer, and to assist your dealer to
give you a better service, please check the following points and
make a list of:
• All connected instrument and transducers , including their
software version numbers.
• Server software version number.
• Nexus Network data bus ID numbers for each instrument
(displayed at power up).
3.2.1 General
In most cases, the reason for faults in electronic equipment is the
installation or poor connections. Therefore, always first check that:
• Installation and connection is made per instructions for
instrument and transducers, (see 3).
• Screw terminals are carefully tightened.
• No corrosion on any connection points.
• No loose ends in the wires causing short cuts to adjacent
wires.
• Cables for damage, that no cables are squeezed or worn.
• Battery voltage is sufficient, should be at least 10V DC.
• The fuse is not blown and the circuit-breaker has not opened.
• The fuse is of the right type.
• Two instruments do not have the same ID number, (see Multi
Control Manual).
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