6.2 Receiving “ERROR” message
If the modem returns a message of ERROR upon an attempted transmission of data, or
voice signals, then refer to the table below for possible causes and solutions.
Table 14
: Solutions for “ERROR” message
If the modem
returns…
Then ask
Action
Is the modem registered on the
Refer to paragraph 4.4 to
network?
verify that the modem is
registered on the network.
Is the modem receiving an
incoming call or is it already in
communication?
End any incoming by using
ATH command.
Is the selected bearer type
supported by the called party?
Is the selected bearer type
supported by the network?
Enter AT+CMEE to view the
extended error code.
Note: Refer to Table 15.
Ensure that the selected bearer
type is supported by the called
party.
Ensure that the semicolon (;) is
entered immediately after the
phone number in the AT
command.
e.g. ATD######;
Is the received signal strong
enough?
Refer to paragraph 4.3 to
verify the strength of the
received signal.
ERROR
Is the antenna properly
connected?
Refer to paragraph 3.3.2.3 for
antenna requirements
If the modem returns a message of ERROR, you can have the extended error code by
using AT command AT+CMEE=1. Refer to the table below for interpretation of extended
error code.
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