Furuno 1823C manual Preventive Maintenance, Maintenance program, Check point Remedy

7.MAINTENANCE, TROUBLESHOOTING

This chapter provides information necessary for keeping your unit in good working order and remedying simple problems.

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.

7.1Preventive 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
Display unit	Check for tight connection.	Tighten loosened connectors.
connectors
LCD	The LCD will, in time,	Wipe the LCD carefully to prevent scratching,
	accumulate a coating of	using tissue paper and an LCD cleaner. To
	dust which tends to dim	remove dirt or salt deposits, use an LCD
	the picture. Wipe LCD	cleaner, wiping slowly with tissue paper so as
	lightly with soft cloth to	to dissolve the dirt or salt. Change paper
	remove dust.	frequently so the salt or dirt will not scratch
		the LCD. Do not use solvents such as thinner,
		acetone or benzene for cleaning.
Ground	Check for tight connection	Clean or replace ground wire as
terminal	and corrosion.	necessary.

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