4. MAINTENANCE & TROUBLESHOOTING
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.
Unit
Processor unit
Transceiver unit
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.
4-2
WARNING
Use the proper fuse.
Use of a wrong fuse can result in damage
to the equipment or cause fire.
Location of
How to replace
fuse
Unscrew the fuse
holder (on rear
In fuse holder
panel) and replace
fuse. Screw in fuse
holder
Open the power
switch cover at
bottom of unit.
In fuse holder
Unscrew the fuse
holder and replace
fuse. Screw in fuse
holder
Rating
Code No.
FGMB 5A
000-148-280
AC250V
100 VAC:
100 VAC:
FGMB 10A
000-104-815
250 VAC
200 VAC:
200 VAC:
FGMB 5A
000-148-280
AC125V