Replacing Fuses; Replacing Consumable Parts - Furuno VR-3000 Operator's Manual

2.7 Replacing Fuses

The battery cable in the DCU contains two 10A fuses in fuse holders. If a fuse blows, the
BACKUP BATTERY LED may not be lighting. Find the cause before replacing a fuse. Have a
serviceman replace any fuse.

2.8 Replacing Consumable Parts

Consumable parts in the VR-3000/VR-3000S are as shown in the table below. Replace the parts
at their expected expirations. The period of expiration begins from the date of installation.
Consumable part
Battery in DCU
Acoustic underwater beacon in DRU
Backup HDD
DC power fan
DCU chassis fan
DCU CPU fan
CMOS battery on CPU board in DCU
AC power supply
14
DCU, door opened
Expected life
4 years
6 years
2 years
6 years
6 years
6 years
6 years
6 years
Fuses
Remarks
2 pcs., replace together