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11. MAINTENANCE & TROUBLESHOOTING
11-2
11.2 Replacement of Fuse
Use the correct fuse.
Use of a wrong fuse can cause fire or
damage the equipment.
CAUTION
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 3A fuse. Using the wrong fuse will damage the unit and
void the warranty.
Name Type Code No.
Fuse FGBO-A 3A AC125V 000-549-063
11.3 Replacement of Battery
A battery installed on the circuit board inside the 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 (
) appears on the display. When this
happens, contact your dealer to request replacement of the battery.
Name Type Code No.
Battery CR2477/1HF 000-150-460-10
Note: If you require data currently displayed, save it to a SD memory card
before replacing the battery.
Be sure the battery is inserted correctly.
Wrong polarity may cause an explosion.
WARNING