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5.
MAINTENANCE AND TROUBLE-
SHOOTING
This chapter contains maintenance and basic troubleshooting procedures for the op-
erator. If you feel that something is wrong with the equipment, do not check inside any
unit. Contact an authorized FURUNO agent or dealer for advice.
WARNING
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
This equipment uses high
voltage that can cause
electrical shock. Only quali-
fied persons may work inside
the equipment.
5.1
Maintenance
Regular maintenance is essential for good performance. Periodically check the points
shown in the table below to help keep the equipment in good working order.
Check Point
Cables
Connectors on
units
Ground on
units
Dust on units
Transducer
Action
Check that all cabling is firmly con-
nected and is not damaged.
Check for tight connection.
Check for tight connection and rust.
Remove dust or dirt from the units
with a soft, dry cloth.
Marine life on the transducer face will
result in a gradual decrease in sensi-
tivity. Check the transducer face for
cleanliness each time the boat is dry-
docked.
NOTICE
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.
Remedy, remarks
• Connect any cable that has
loosened.
• Replace damaged cables.
• Reconnect as necessary.
• Fasten if loosened.
• Remove rust if present.
• Do not use chemical-based
cleaners to clean the equip-
ment because they can re-
move paint and markings.
• Carefully remove any ma-
rine life to prevent damage
to the transducer.
• Do not paint (including hull
paint) the transducer.
• Do not use chemical-based
cleaners to clean the trans-
ducer.
5
5-1
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Table of Contents
Troubleshooting
