10. MAINTENANCE AND TROUBLESHOOTING
10-10
10.8 Troubleshooting
If you suspect equipment trouble, first follow the troubleshooting information in the ta-
ble below. If normal operation cannot be restored, do not attempt to check inside any
unit. Contact a FURUNO agent or dealer for assistance.
Symptom Cause, checkpoint Remedy
The power cannot be
turned on.
• Check that the power cable is
firmly connected to the power
input at the rear of the Commu-
nication Unit.
• Check that the power for the
FELCOM is on at the ship’s
switchboard.
• Check for blown fuse in the
power cable.
• Reconnect the power cable if it
has loosened.
• Turn on the power at the ship’s
switchboard.
• Referring to section 10.6, re-
place the fuse.
No communications.
• Cannot receive EGC
messages.
• Cannot receive polling
command.
• Cannot receive e-mail.
• Do the PV test. The [Overall
Result] should be [Pass].
• Referring to section 2.5, con-
firm the following items.
- C/N value is “OK”.
- You are logged in.
• If the PV test result is [Fail], fol-
low the information in
subsection 10.3.3.
• Check for interfering objects
near the antenna. If interfering
objects are present, relocate
the antenna, referring to the in-
stallation manual.
Error message is dis-
played.
— Refer to the Alert List in Appendix
7.
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