WM_MKT_Fastrack_UGD_001 - 002
September 2002
6 Troubleshooting failed transmission
This section of the document describes possible problems encountered when using the Fastrack
modem and their solutions. To review other troubleshooting information, refer the 'FAQs' (Frequently
Asked Questions) page at
www.wavecom.com
or use the following link:
http://www.wavecom.com/support/faqs.php
6.1 Receiving “no carrier”
message
If the modem returns a message of
no carrier
upon an attempted transmission of data, or voice
signals, then refer to following table for possible causes and solutions.
Table 14: Solutions for “no carrier” message
If the modem returns …
Then ask …
Action …
Is the selected bearer type is
supported by the called party?
Is the selected bearer type is
supported by the network?
Type
AT+CEER
to view the extended
error code
(
Refer to Table 15)
Ensure that the selected bearer type
is supported by the called party
Ensure that the selected bearer type
is supported by the network
ensure that the semicolon (;) is typed
immediately after the phone number
In the AT command
e.g. ATD######;
type
AT+CBST=0,0,3
Configure the SIM card for data/fax
calls
Is the received signal strong
enough?
Refer to § 4 to verify the strength of
the received signal
no carrier
Is the antenna properly
connected?
Refer to Table 12 for antenna
requirements
Refer to the AT commands manual for all codes and details.
confidential ©
Page :
19 / 29
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without prior written
agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à des tiers sans son
autorisation préalable.
