Filter
Top Products
4. MAINTENANCE & TROUBLESHOOTING
4-2
4.1.3 Replacing fuses
Fuses protect the processor unit and transceiver unit from overvoltage and internal fault. If a
fuse blows find the cause before replacing it. If it blows again after replacement, request
service.
WARNING
Use the proper fuse.
Use of a wrong fuse can result in damage
to the equipment or cause fire.
Unit
Location of
fuse
How to replace Rating Code No.
Processor unit In fuse holder
Unscrew the fuse
holder (on rear
panel) and replace
fuse. Screw in fuse
holder
FGMB 5A
AC250V
000-148-280
Transceiver unit In fuse holder
Open the power
switch cover at
bottom of unit.
Unscrew the fuse
holder and replace
fuse. Screw in fuse
holder
100 VAC:
FGMB 10A
250 VAC
200 VAC:
FGMB 5A
AC125V
100 VAC:
000-104-815
200 VAC:
000-148-280
4.1.4 Transducer
Remove marine life and growth from the transducer face, using a piece of wood. DO NOT
paint the transducer face. Handle the transducer carefully.