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5-1
5. MAINTENANCE, TROUBLE-
SHOOTING
5.1 Preventive Maintenance
Regular maintenance is necessary for best performance. Create a maintenance
schedule which includes the items shown below.
Item Check point Remedy
Control unit con-
nectors
Check for tight connection. Tighten loosened connectors.
Ground terminal Check for tight connection
and corrosion
Clean or replace the ground wire as
necessary.
Cabinet Dust on the cabinet Remove dust with a dry clean cloth.
Do not use commercial cleaners to
clean the equipment. Those cleaners
can remove paint and markings.
LCD Dust on the LCD dims pic-
ture.
Clean the LCD carefully to prevent
damage, with tissue paper and an
LCD cleaner. To remove dirt or salt
deposits, use an LCD cleaner and
wipe slowly with lens paper so as to
dissolve the dirt or salt. Change the
paper frequently so the salt or dirt will
not damage the LCD. Do not use sol-
vents like thinner, acetone or benzine
for cleaning.
WARNING
NOTICE
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
This equipment uses high
voltage that can cause
electrical shock.
0nly qualified persons can
work inside the equipment.
Do not apply paint, anti-corrosive
sealant or contact spray to plastic
parts or equipment coating.
Those items contain products that can
damage plastic parts and equipment
coating.