Replacing Fuses; Replacing 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 Parts

Interval-specific parts
The batteries in DCU and the acoustic beacon on the DRU must be replaced every 4 and 6 years
respectively to comply with IMO conventions. Record the date of expiration on the card in the
card holder on the door of the DCU.
Part
Battery in DCU
Acoustic underwater beacon in DRU
Consumable parts
The parts in the table below should be replaced before the estimated lifetime shown. The period
of expiration begins from the date of installation. Record the date of replacement on the card in
the card holder on the door of the DCU.
Consumable part
Backup HDD
DC-DC converter
DCU chassis fan
DCU CPU fan
CMOS battery on CPU board
in DCU
AC power supply
* = Product has a 90% probability of achieving full lifespan
14
Replacement
interval
4 years 2 pcs., replace together
6 years
Life
2 years / 25℃ ・Data cannot be recorded to the backup
HDD when it fails. Error 018 is generated
when this occurs.
・The life of VR-3011-A (Code No.:
001-173-390): 10 years / 25℃
4 years / 25℃* If DC power supply fails, RAP indicates 082
and AP in DCU indicates 84.
6 years / 25℃* Failure of one or both of these fans prevents
the CPU from operating, which may prevent
6 years / 25℃*
start up of the VDR.
6 years / 25℃ Failure of this battery prevents GPS time
synchronization. Error 026 is generated
when this occurs.
6 years / 25℃ If AC power supply fails, RAP indicates 214
with AC power switch ON.
Fuses
Remarks
Remarks