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6. MAINTENANCE, TROUBLESHOOTING
6-2
6.1 Preventative Maintenance
Regular maintenance helps keep your equipment in good condition and prevents fu-
ture problems. Check the items shown in the table below to help keep your equipment
in good condition for years to come.
Maintenance
6.2 Fuse Replacement
A fuse is in the fuse holder on the power cable and inside the power supply unit, and
they protect the equipment from reverse polarity of the ship's mains and equipment
fault. If a fuse blows, find out the cause before replacing it. Use the correct fuse. Using
the wrong fuse will damage the equipment and void the warranty.
Interval Item Check Point Remedy
When necessary LCD Dust on the LCD Remove the dust from the
LCD with the tissue paper
and an LCD cleaner. To re-
move dirt or salt, use the
LCD cleaner. Change the
tissue paper often so as
not to damage the LCD.
3 to 6 months Ground terminal on dis-
play unit
Check for tight connec-
tions and corrosion
Tighten or replace as nec-
essary.
Display unit connectors Check for tight connec-
tion.
Tighten if the connectors
are loosened.
Exposed nuts and bolts
on the antenna unit.
Check for corroded or
loosened bolts.
Clean and repaint as nec-
essary. Use sealing com-
pound instead of paint.
Antenna radiator Check for dirt and
cracks on the radiator
surface.
Clean radiator surface with
a fresh-water-moistened
cloth. Do not use plastic
solvents to clean.
Unit Type Code No. Remarks
Display unit (fitted on power cable) FGBO 125V 10A PBF 000-155-826-10 24VDC
Power supply unit (for FR-8255) FGBO 125V 7A PBF 000-155-831-10 24VDC
WARNING
Use the proper fuse.
Use of a wrong fuse can result in damage
to the equipment and cause fire.