Troubleshooting - Furuno Felcom 50 Operator's Manual

TROUBLESHOOTING

7.
General
No regular maintenance is required of the FELCOM 50 satellite terminal.
It is recommended, however, to clean the antenna radome every once in a while.
The real time clock is automatically updated by the built-in GPS.
7.1 Troubleshooting
Problem
1 The FELCOM 50 CU power
indicator does not light up.
2 The ISDN Handset display
freezes or stays completely
black.
3 FELCOM 50 cannot find the
satellite.
4 Low signal reception
5 FELCOM 50 functions
abnormally.
CU: Communication Unit
Probable cause
The CU is not switched
ON.
Power is not connected.
The handset cord is not
connected or damaged.
No or weak signals.
Sight to satellite
obstructed.
Obstructions
Action
Set the ON/OFF switch to
ON (rear panel).
Switch off, wait 10 secs and
switch back on.
Check that the power cord
is properly connected to
12-24 VDC power source.
Check that the handset cord
is properly connected and
inspect the cord.
Power CU off/on.
Disconnect cord from CU
and connect it again.
Check that no obstacles
block the free sight to the
satellite.
The signal strength indicator
should preferably exceed
570 in vtLite Mobile, or 5
bars in the handset display.
Check that no obstacles
block the free sight to the
satellite.
Restart the search for any
satellite, or try a satellite in a
specific Ocean Region.
Turn off power and
disconnect power cable.
Connect power cable, and
switch on again.
Verify correct voltages to the
CU: 11-32 V
7-1