Maintenance, Troubleshooting; Preventive Maintenance; Replacement Of Battery - Furuno COLOR VIDEO PLOTTER 1833C Operator's Manual

7. MAINTENANCE,
TROUBLESHOOTING
This chapter provides information necessary for keeping your unit in good
working order and remedying simple problems.
7.1

Preventive Maintenance

Regular maintenance is important for optimum performance. A maintenance
program should be established and should at least include the items shown in
the table below.
Item
Display unit
connectors
LCD
Ground terminal
7.2

Replacement of Battery

A lithium battery (Type CR2450-F2 ST2, Code No. 000-133-495) fitted on a
circuit board inside the display unit preserves data when the equipment is turned
off, and its life is about three years. When its voltage is low the battery icon ( )
appears at the top of the display. When the icon appears, contact your dealer to
request replacement of the battery.
WARNING
Do not open the equipment.
Hazardous voltage which can
cause electrical shock exists
inside the equipment. Only
qualified personnel should
work inside the equipment.
Maintenance program
Check point
Check for tight connection.
The LCD will, in time, accumulate
a coating of dust which tends to
dim the picture. Wipe LCD lightly
with soft cloth to remove dust.
Check for tight connection and
corrosion.
Remedy
Tighten loosened
connectors.
Do not use chemical
cleaners to clean any part of
the display unit; they can
remove paint and markings.
Clean or replace ground
wire as necessary.
7-1