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5.3
Fuse Replacement
The Processor Unit and Transceiver Unit are protected from overcurrent and equip-
ment fault by their fuse. If a unit cannot be powered, its fuse may have blown. If a fuse
has blown, find the reason before replacing the fuse. If a fuse blows after replacement,
contact a FURUNO agent or dealer for advice.
Fuse location
Processor Unit
FGBO-A 125V 15A PBF
(on power cable)
FGBO-A 125V 7A PBF
Transceiver Unit
FGBO-A 125V 15A PBF
(in fuse holder)
5.4
Battery Replacement
The mother board in the Processor Unit contains a backup battery. When the battery
voltage is low, the time shown on the clock is incorrect. (However, if the time and date
are fed from an external source, with the ZDA sentence, the correct time is shown.
Name
Battery Kit
Note 1: When the battery voltage is 2.6 V or lower, the error window (error code: P01)
appears at the center of the screen. Have a FURUNO representative replace the bat-
tery at your earliest convenience.
Note 2: Used batteries should be disposed of according to the applicable local stan-
dards and laws. Cover the battery terminals with tape to prevent heat generation, fire,
etc. by short circuit.
WARNING
WARNING
Use the proper fuse.
Use of a wrong fuse can cause fire
or damage the equipment.
Fuse type
000-155-827-10
000-164-965-10
000-155-827-10
CAUTION
CAUTION
Use only the specified battery.
When replacing the battery, make
sure the polarity is correct.
Incorrect replacement of the battery can
cause the battery to explode.
Type
BATTERY KIT-FJ
5. MAINTENANCE AND TROUBLESHOOTING
Part no.
12 VDC
24 VDC
Code no.
000-196-791-10
Remarks
Estimated life
10 years
5-3
5
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Table of Contents
Troubleshooting
