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4. TROUBLESHOOTING
15
4.3 Troubleshooting Guide
The following table provides information on some of the problems that might occur, including pos-
sible causes and remedies to solve the problems.
Problem Possible Cause Remedy
The Safety Voice function does
not work. 1) The IP Handset is not recog-
nized by the Communication
Unit. 1) Connect a computer to the
Communication Unit. After
clicking the administrator login/
logout icon and logging in as an
administrator, access the Web
interface and check under [Ad-
min]

[Telephony Settings]

[Phone List] that the [Ready]
field for the IP Handset appears
the blue icon
.
2) The IP Handset has not been
designated for Safety Voice by
the Communication Unit. 2) Consult your dealer.
3) The Safety Voice function
does not change when enabled/
disabled in the web interface of
the Communication Unit. 3) Consult your dealer.
4) The SIM card for your Com-
munication Unit is not commis-
sioned for Safety Voice
(eMLPP). 4) Check your airtime subscrip-
tion and contact your provider
to be commissioned for Safety
Voice.
No connection to the BGAN
network. 1) The PIN code has not been
input in the Communication
Unit. 1) Input the PIN code.
2) There is an error in the Com-
munication Unit or the BGAN
network. 2) See the Operator's Manual
(OME-57050) for the FEL-
COM251/FELCOM501 for in-
formation on how to
troubleshoot errors.
The Alarm Panel does not show
that it is connected to a Com-
munication Unit. 1) The cable is damaged or not
connected properly. 1) Check the cable connection
between the Alarm Panel and
the Communication Unit.
2) There is an error in the Com-
munication Unit. 2) See the Operator's Manual
(OME-57050) for the FEL-
COM251/FELCOM501 for in-
formation on how to
troubleshoot errors.