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(Utworzono nową stronę "<b>No connection/communication with the modem</b> If there is no communication with the modem take the following steps: * Check all external connections of the modem (RS-232 or USB, Power supply) * Verify if the power supply is correct (see Power supply Power supply) * Check if the COM port is correctly parametrized * Check if the program used for communication works properly and if there is no other program interfering. If yes, close the interfering program. <b>…") |
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<b>No connection with the modem</b> | |||
If there is no communication with the modem take the following steps: | |||
* check all external connections with the modem (serial interfaces, USB, power supply). | |||
* check that the power supply is correct (see [[{{{model}}} Connectors#Power supply connector|Power supply]]). | |||
* check that the COM port is correct. | |||
{{#ifeq: {{{model}}} | RB900SG | * when connecting the modem with the meter, check whether the meter is powered and the POWER diode in the modem is on. | |||
}} | |||
<b>No connection/communication with the modem</b> | <b>No connection/communication with the modem</b> | ||
If there is no communication with the modem take the following steps: | If there is no communication with the modem take the following steps: | ||
* Check all external connections of the modem (RS-232 or USB, Power supply) | * Check all external connections of the modem (RS-232 or USB, Power supply) | ||
* Verify if the power supply is correct (see Power supply Power supply) | * Verify if the power supply is correct (see [[{{{model}}} Connectors#Power supply connector|Power supply]]) | ||
* Check if the COM port is correctly parametrized | * Check if the COM port is correctly parametrized | ||
* Check if the program used for communication works properly and if there is no other program interfering. If yes, close the interfering program. | {{#ifeq: {{{model}}} | RB900SG | * Check if the program used for communication works properly and if there is no other program interfering. If yes, close the interfering program. | ||
}} | |||
<b>Receiving ERROR message</b> | <b>Receiving ERROR message</b> | ||
The modem answers ERROR on AT command in the following cases: | The modem answers ERROR on AT command in the following cases: | ||
* The syntax of typed AT commands is incorrect – check the command syntax in [1] | * The syntax of typed AT commands is incorrect – check the command syntax in [1] | ||
* Parameters of typed AT command are incorrect - | * 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 | ERROR | ||
+CME ERROR: <err> | +CME ERROR: <err> | ||
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* Right after hanging up the data/voice/fax connection | * Right after hanging up the data/voice/fax connection | ||
* If there is no connection with the network – check antenna and registration status (see Network registration) | * If there is no connection with the network – check antenna and registration status (see Network registration) | ||
* If there is no power supply (see Power supply) | * If there is no power supply (see [[{{{model}}} Connectors#Power supply connector|Power supply]]) | ||
* If modem answers NO CARRIER, you can check extended error code using AT#CEERNET command. A list of codes can be found in AT commands reference guide manual. | * If modem answers NO CARRIER, you can check extended error code using AT#CEERNET command. A list of codes can be found in AT commands reference guide manual. | ||
[[Category:{{{model}}} User Manual]] | |||
Aktualna wersja na dzień 14:22, 17 kwi 2024
No connection with the modem
If there is no communication with the modem take the following steps:
- check all external connections with the modem (serial interfaces, USB, power supply).
- check that the power supply is correct (see [[{{{model}}} Connectors#Power supply connector|Power supply]]).
- check that the COM port is correct.
No connection/communication with the modem
If there is no communication with the modem take the following steps:
- Check all external connections of the modem (RS-232 or USB, Power supply)
- Verify if the power supply is correct (see [[{{{model}}} Connectors#Power supply connector|Power supply]])
- Check if the COM port is correctly parametrized
Receiving ERROR message
The modem answers ERROR on AT command in the following cases:
- The syntax of typed AT commands 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 the error which has occurred.
Receiving NO CARRIER message There are some common cases when the modem answers NO CARRIER:
- If a data/voice/fax connection cannot be established
- Right after hanging up the data/voice/fax connection
- If there is no connection with the network – check antenna and registration status (see Network registration)
- If there is no power supply (see [[{{{model}}} Connectors#Power supply connector|Power supply]])
- If modem answers NO CARRIER, you can check extended error code using AT#CEERNET command. A list of codes can be found in AT commands reference guide manual.
[[Category:{{{model}}} User Manual]]