User guide

t [phone]
f [phone]
e
.intercel.com.au
Toll free number for
Wavecom Instruments Pty Ltd
257 Grange Road
Findon, South Australia 5023
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.wavecom.com.au
ABN 60 065 609 225
a. The modem does not respond to AT command
-
Check power supply : The input voltage must be from 5Vdc to 30Vdc. The supply current
must be capable of 1.7A @ 5Vdc
-
Check the serial data cable : Make sure the serial data cable is configured correctly
according to the diagram on section 6.c above
-
Check that the terminal program on your PC is configured correctly : communication port,
data speed, data format, flow control.
-
Check that there is no conflict on the selected serial communication port.
b.
The modem always returns “ERROR” to AT commands
Issue AT+CMEE=1 to modem and check the returned error code. The following table indicates
some common errors :
Error code Error meaning Hint
0 Modem failure Call technical support
3 Operation not allowed
4 Operation not supported
10 SIM not inserted Check SIM card, clean contacts
11 SIM PIN required Enter SIM PIN
12 SIM PUK required Call the network operator
13 SIM failure Check the SIM validity
16 Incorrect password
17 SIM PIN2 required
18 SIM PUK2 required
26 Dialed number exceeds 20 digits
30 No network service
See other error codes in the AT command manual
c.
The modems always returns “NO CARRIER” when making an outgoing call.
After the modems returns “NO CARRIER”, issue AT+CEER to check the error code.
Error code Error meaning Hint
1 Unallocated phone number
16 Normal call clearing
17 Called party busy
18 No response from the called party
19 Called party alerting, no answer
21 Call rejected
22 Number changed
31 Normal, unspecified
50 Requested facility not subscribed Check with the network
68 ACM
≥
Max ACM No credit on prepaid SIM
252 Call barring on outgoing calls
253 Call barring on incoming calls
See other error codes in the AT command manual.