Wavecom WMOD2B Uživatelský manuál stáhnout pdf (Strana 16)

5.2 The modem always returns «Error» when trying to issue a communication

A) Issue AT+CMEE=1 to have extended error code and retry

For all other codes, and/or details, see AT commands manual.

B) Additional hints

❏ Is the modem registered on the network?

Does the AT-Command AT + CREG? answers 0,1 (registered) or 0,5 (registered roaming)?

➫ If not, check that the received signal is strong enough to synchronize on the Network (use AT+CSQ).

TROUBLESHOOTING

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Wavecom WMOD2B Uživatelský manuál Strana 16