
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
Wavecom WMOD2B Modem
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