Fastrack M1306B User Guide
Troubleshooting
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WM_PRJ_M13_UGD_001 -003 November 11, 2006
Table 10: Solutions for "NO CARRIER" message
If the M1306B
returns…
Then ask… Action…
Is the received signal strong
enough?
Refer to section 5.5 to verify
the strength of the received
signal.
Is the M1306B registered on the
network?
Refer to section 5.7 to verify
the registration.
"NO CARRIER"
Is the antenna properly
connected?
Refer to section 8.2.6.3 for
antenna requirements.
"NO CARRIER"
(when trying to
issue a voice
communication)
Is the semicolon (;) entered
immediately after the phone
number in the AT command?
Ensure that the semicolon (;)
is entered immediately after
the phone number in the AT
command.
e.g.
ATD######;
Is the SIM card configured for data
/ fax calls?
Configure the SIM card for
data / fax calls (Ask your
network provider if
necessary).
Is the selected bearer type
supported by the called party?
Ensure that the selected
bearer type is supported by
the called party.
"NO CARRIER"
(when trying to
issue a data
communication)
Is the selected bearer type
supported by the network?
Ensure that the selected
bearer type is supported by
the network.
If no success, try bearer
selection type by AT
command: AT+CBST=0,0,3
If the Fastrack M1306B returns a "NO CARRIER" message , you may have the
extended error code by using AT command
AT+CEER. Refer to the table below for
interpretation of extended error code.
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