Elproma Elektronika Sp. z o.o.
ul. Szymanowskiego 13
05-092 Łomianki k/Warszawy
E-mail:
Tel. +48 (22) 751 76 80
www.teleorigin.com
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9. Troubleshooting
9.1.
No connection/communication with the modem
If there is no communication with the modem do the following steps:
Check all external connections of the modem (RS-232 or Power supply)
Verify if power supply is correct (see
11.1 Power supply
)
Check if COM port is correctly parametrized (see
8.3 Checking the communication
with the modem
)
Check if program used for communication works properly and if there is none other
program interfering. If yes close the interfering program.
9.2.
Receiving ERROR message
Modem answers
ERROR
on AT command in following cases:
Syntax of typed AT command is incorrect
– check the command syntax in [1]
Parameters of typed AT command are incorrect
– type
AT+CMEE=1
for enabling
wide description of error which occurred. The response now will be in format:
ERROR
+CME ERROR: <err>
where <err> is a description of error which has occurred
Refer to [1] or [2] for further details about occurred error
