Furuno FCR-2807 Manual De Usuario
22. Maintenance and Troubleshooting
22-4
22.3 How to Replace the Fuses
The fuse in the radar processor unit, display unit and chart processor units protects those units from overcurrent and
internal fault. If the power cannot be turned on, check if a fuse has blown. If it has blown, find out the cause before
replacing the fuse. If it blows again after replacement, contact your dealer for advice.
internal fault. If the power cannot be turned on, check if a fuse has blown. If it has blown, find out the cause before
replacing the fuse. If it blows again after replacement, contact your dealer for advice.
Unit
Power supply
Fuse to use
Radar Processor Unit
24 VDC
20A
100-115 VAC
10A
Radar Processor Unit RPU-016
220-230 VAC
5A
Display Unit
Display Unit MU-190
Display Unit MU-190
100-230 VAC
1A
100-230 VAC
2A
Display Unit MU-201CR
24 VDC
5A
100-230 VAC
2A
Display Unit MU-231CR
24 VDC
6A
Display Unit MU-231
100-230 VAC
1.5A
Chart Processor Unit
Chart Processor Unit EC-1000C
Chart Processor Unit EC-1000C
100-230 VAC
5A
22.4 How to Replace the Batteries
Radar processor unit
The GC (Gyro Converter) Board in the radar processor unit carries a battery that backs up data. The life of the
battery is about five years. When the battery has expired, the self test results for the battery shows "NG". When this
happens have a qualified technician replace the battery.
battery is about five years. When the battery has expired, the self test results for the battery shows "NG". When this
happens have a qualified technician replace the battery.
Battery type
Code no.
CR 1/2 8.1
000-103-769
Chart processor unit
The CPU Board (PCI-5S-RS-R40 or OP0100) in the chart processor unit contains a lithium battery that preserves
data when the power is turned off. When the voltage of the battery is low the time is wrong, all default settings are
restored, etc. When this occurs, have the battery replaced by a qualified technician, at your earliest convenience.
data when the power is turned off. When the voltage of the battery is low the time is wrong, all default settings are
restored, etc. When this occurs, have the battery replaced by a qualified technician, at your earliest convenience.
CPU board type*
Battery type
Code no.
PCI-5S-RS-R40 CR2032 000-159-662-10
OP0100 CR2450
OP0100 CR2450
* Type depends on unit production