Maintenance, Troubleshooting; Preventive Maintenance; Replacement; Replacement Of The Battery - Furuno 1823C-BB 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
Connectors of
processor unit
and control unit
Ground
terminal
7.2

Replacement

7.2.1

Replacement of the battery

A lithium battery (Type CR2450-F2 ST2L, Code No. 000-144-941) fitted on a
circuit board inside the processor 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
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. Tighten loosened connectors.
Check for tight connection
and corrosion.
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Remedy
Clean or replace ground wire as
necessary.
7-1