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11. MAINTENANCE,
TROUBLESHOOTING
This chapter provides information necessary for keeping the equipment in good
working order.
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.
11.1 Preventive Maintenance
Check the following points monthly.
• Check all cables. If damaged, replace.
• Check connectors at rear of each unit. If loosened, reconnect.
• Check earth of each unit. Clean if necessary.
• Check voltage of ship’s mains to be sure it is within the equipment’s power
rating.
Cleaning the equipment
Dust or dirt can be removed from the equipment with a soft, dry cloth. Do not use
chemical cleaners to clean the equipment – they can remove paint and
markings.