Replacement Of Fuse; Replacement Of Battery - Furuno GP-3500 Operator's Manual

11. MAINTENANCE & TROUBLESHOOTING
11.2

Replacement of Fuse

The fuse on the power cable protects the system from reverse polarity of the
ship's mains and equipment fault. If the fuse blows, find the cause before
replacing it. Use only a 3 A fuse. Using the wrong fuse will damage the unit and
void the warranty.
Name
Fuse
11.3

Replacement of Battery

A battery installed on the circuit board inside display unit preserves data when
the power is turned off. The life of the battery is about three years. When the
battery voltage is low the battery icon (
happens, contact your dealer to request replacement of the battery.
Name
BATT (L1)
Note: Save data into the memory card or internal memory before replacement of
the battery.
11-2
CAUTION
Use the correct fuse.
Use of a wrong fuse can cause fire or
damage the equipment.
Type
FGBO-A 3A AC125V
Type
CR2450-F2ST2L
Code No.
000-549-063
) appears on the display. When this
Code No.
000-144-941