8-1
8. MAINTENANCE AND
TROUBLESHOOTING
This chapter provides the information necessary for the maintenance and checking of
the FELCOM. Please review the safety information at the beginning of this manual be-
fore attempting any maintenance procedures.
8.1 General Checking and Maintenance
Turn off the power before conducting any maintenance procedures other than the
cleaning of the communication unit.
How to clean the communication unit
Dust and dirt can be removed from the communication unit with a soft, dry cloth. DO
NOT use chemical cleaners. They may remove paint and markings and deform the
equipment.
How to check connectors and ground terminal on the communication unit
Check that the connectors and earth terminal on the communication unit are tightly
fastened. If the copper strap (earth material) has rusted, clean it.
If the communication unit cannot be turned on...
• Check if the power cable connector on the rear panel of the communication unit is
tightly fastened.
• Check if the ship’s mains switchboard is turned on.
• If you still cannot turn on the power, have a qualified technician check the power
voltage at the power connector on the rear of the communication unit.
Antenna unit
Check the antenna unit yearly for rust, corro-
sion and chipped paint. If the antenna base has
rusted or the paint has chipped, paint the af-
fected area. Paint only the antenna base. Do
not paint the radome. Paint on the radome can
cause loss of sensitivity and crack the radome.
IMPORTANT
Do not apply paint, anti-corrosive sealant or
contact spray to coating or plastic parts.
Those items contain organic solvents that can
damage coating and plastic parts, especially
plastic connectors.
Paint this area.
Do not paint this area.
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