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7-1
7. MAINTENANCE,
TROUBLESHOOTING
This chapter provides information necessary for keeping your unit in good
working order and remedying simple problems.
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.
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.
Maintenance program
Item Check point Remedy
Connectors of
processor unit
and control unit
Check for tight connection. Tighten loosened connectors.
Ground
terminal
Check for tight connection
and corrosion.
Clean or replace ground wire as
necessary.
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.
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