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Serial LTE Modem AT commands not working in AT client on nRF9160 DK

Lukáš

Hi,

For the testing purpose, I would like to send a few basic packets from LTE Link Monitor on nRF9160 DK to our cloud. I found a way how to do it through the nRF9160: Serial LTE Modem example.

However, when I try to execute AT commands from that example I get +CME ERROR: 0 and phone failure in the log. Is there anything else that should be configured when flashing the AT Client example on the DK?

Please see the log below so you are sure that I am connected to the network etc. 

2020-03-08T18:17:59.664Z INFO Application data folder: C:\Users\Lukas\AppData\Roaming\nrfconnect\pc-nrfconnect-linkmonitor
2020-03-08T18:17:59.751Z DEBUG App pc-nrfconnect-linkmonitor v1.1.1 official
2020-03-08T18:17:59.751Z DEBUG App path: C:\Users\Lukas\.nrfconnect-apps\node_modules\pc-nrfconnect-linkmonitor
2020-03-08T18:17:59.751Z DEBUG nRFConnect 3.3.0 is supported by the app (^3.2.0)
2020-03-08T18:17:59.751Z DEBUG nRFConnect path: C:\Users\Lukas\AppData\Local\Programs\nrfconnect\resources\app.asar
2020-03-08T18:17:59.751Z DEBUG HomeDir: C:\Users\Lukas
2020-03-08T18:17:59.751Z DEBUG TmpDir: C:\Users\Lukas\AppData\Local\Temp
2020-03-08T18:17:59.754Z VERBOSE Could not fetch serial number for serial port at COM3
2020-03-08T18:18:07.657Z INFO Modem port is opened
2020-03-08T18:18:07.664Z DEBUG modem >> AT+CFUN?\x0D\x0A
2020-03-08T18:18:07.713Z DEBUG modem << +CFUN: 0\x0D\x0A
2020-03-08T18:18:07.716Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:09.554Z DEBUG modem >> AT+CFUN?\x0D\x0A
2020-03-08T18:18:09.570Z DEBUG modem << +CFUN: 0\x0D\x0A
2020-03-08T18:18:09.579Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:10.981Z DEBUG modem >> AT+CFUN=1\x0D\x0A
2020-03-08T18:18:11.024Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.157Z DEBUG modem >> AT+CFUN?\x0D\x0A
2020-03-08T18:18:12.170Z DEBUG modem << +CFUN: 1\x0D\x0A
2020-03-08T18:18:12.177Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.179Z DEBUG modem >> AT+CGSN=1\x0D\x0A
2020-03-08T18:18:12.194Z DEBUG modem << +CGSN: "352656100046930"\x0D\x0A
2020-03-08T18:18:12.197Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.199Z DEBUG modem >> AT+CGMI\x0D\x0A
2020-03-08T18:18:12.215Z DEBUG modem << Nordic Semiconductor ASA\x0D\x0A
2020-03-08T18:18:12.219Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.226Z DEBUG modem >> AT+CGMM\x0D\x0A
2020-03-08T18:18:12.240Z DEBUG modem << nRF9160-SICA\x0D
2020-03-08T18:18:12.242Z DEBUG modem << \x0A
2020-03-08T18:18:12.244Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.246Z DEBUG modem >> AT+CGMR\x0D\x0A
2020-03-08T18:18:12.260Z DEBUG modem << mfw_nrf9160_1.1.1\x0D\x0A
2020-03-08T18:18:12.262Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.263Z INFO Nordic Semiconductor ASA nRF9160-SICA [mfw_nrf9160_1.1.1] SerNr: 352656100046930
2020-03-08T18:18:12.265Z DEBUG modem >> AT+CEMODE?\x0D\x0A
2020-03-08T18:18:12.280Z DEBUG modem << +CEMODE: 0\x0D\x0A
2020-03-08T18:18:12.285Z DEBUG modem << OK\x0D
2020-03-08T18:18:12.294Z DEBUG modem >> AT%XCBAND=?\x0D\x0A
2020-03-08T18:18:12.313Z DEBUG modem << %XCBAND: (1,2,3,4,5,8,12,13,17,19,20,25,26,28,66)\x0D\x0A
2020-03-08T18:18:12.320Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.326Z DEBUG modem >> AT+CMEE?\x0D\x0A
2020-03-08T18:18:12.339Z DEBUG modem << +CMEE: 0\x0D\x0A
2020-03-08T18:18:12.341Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.344Z DEBUG modem >> AT+CMEE=1\x0D\x0A
2020-03-08T18:18:12.356Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.360Z DEBUG modem >> AT+CNEC?\x0D\x0A
2020-03-08T18:18:12.374Z DEBUG modem << +CNEC: 0\x0D
2020-03-08T18:18:12.377Z DEBUG modem << \x0A
2020-03-08T18:18:12.378Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.382Z DEBUG modem >> AT+CNEC=24\x0D\x0A
2020-03-08T18:18:12.394Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.398Z DEBUG modem >> AT+CGEREP?\x0D\x0A
2020-03-08T18:18:12.415Z DEBUG modem << +CGEREP: 0,0\x0D\x0A
2020-03-08T18:18:12.419Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.426Z DEBUG modem >> AT+CGDCONT?\x0D\x0A
2020-03-08T18:18:12.440Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.443Z DEBUG modem >> AT+CGACT?\x0D\x0A
2020-03-08T18:18:12.455Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.460Z DEBUG modem >> AT+CGEREP=1\x0D\x0A
2020-03-08T18:18:12.474Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.478Z DEBUG modem >> AT+CIND=1,1,1\x0D\x0A
2020-03-08T18:18:12.491Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.495Z DEBUG modem >> AT+CEREG=2\x0D\x0A
2020-03-08T18:18:12.508Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.512Z DEBUG modem >> AT+CEREG?\x0D\x0A
2020-03-08T18:18:12.528Z DEBUG modem << +CEREG: 2,4,"FFFE","FFFFFFFF",9\x0D\x0A
2020-03-08T18:18:12.530Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.547Z DEBUG modem >> AT%CESQ=1\x0D\x0A
2020-03-08T18:18:12.565Z DEBUG modem << OK\x0D
2020-03-08T18:18:12.574Z DEBUG modem >> AT+CESQ\x0D\x0A
2020-03-08T18:18:12.588Z DEBUG modem << +CESQ: 99,99,255,255,255,255\x0D
2020-03-08T18:18:12.591Z DEBUG modem << \x0A
2020-03-08T18:18:12.592Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.597Z DEBUG modem >> AT%XSIM=1\x0D\x0A
2020-03-08T18:18:12.611Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.614Z DEBUG modem >> AT%XSIM?\x0D\x0A
2020-03-08T18:18:12.630Z DEBUG modem << %XSIM: 1\x0D\x0A
2020-03-08T18:18:12.631Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.643Z DEBUG modem >> AT+CPIN?\x0D\x0A
2020-03-08T18:18:12.657Z DEBUG modem << +CPIN: READY\x0D\x0A
2020-03-08T18:18:12.659Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.673Z DEBUG modem >> AT+CPINR="SIM PIN"\x0D\x0A
2020-03-08T18:18:12.696Z DEBUG modem << +CPINR: "SIM PIN",3\x0D\x0A
2020-03-08T18:18:12.697Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.708Z DEBUG modem >> AT+CIMI\x0D\x0A
2020-03-08T18:18:12.722Z DEBUG modem << 901288002466603\x0D\x0A
2020-03-08T18:18:12.724Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:12.725Z INFO IMSIdentity: 901288002466603
2020-03-08T18:18:29.249Z DEBUG modem << %CESQ: 71,3,26,3\x0D\x0A
2020-03-08T18:18:29.259Z DEBUG modem << +CEREG: 2,"AF00","000CD61F",9\x0D\x0A
2020-03-08T18:18:30.877Z DEBUG modem << +CGEV: ME PDN ACT 0,0\x0D\x0A
2020-03-08T18:18:30.883Z DEBUG modem << +CNEC_ESM: 50,0\x0D\x0A
2020-03-08T18:18:30.888Z DEBUG modem << +CEREG: 5,"AF00","000CD61F",9\x0D\x0A
2020-03-08T18:18:30.894Z DEBUG modem << +CIND: "service",1\x0D\x0A
2020-03-08T18:18:30.901Z DEBUG modem >> AT+CGDCONT?\x0D\x0A
2020-03-08T18:18:30.905Z DEBUG modem << +CIND: "roam",1\x0D\x0A
2020-03-08T18:18:30.917Z DEBUG modem << +CGDCONT: 0,"IP","eplpwa.vodafone.iot","10.40.131.129",0,0\x0D\x0A
2020-03-08T18:18:30.919Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:30.930Z DEBUG modem >> AT+COPS=3,2\x0D\x0A
2020-03-08T18:18:30.936Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:30.940Z DEBUG modem >> AT+CGACT?\x0D\x0A
2020-03-08T18:18:30.948Z DEBUG modem << +CGACT: 0,1\x0D\x0A
2020-03-08T18:18:30.951Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:30.957Z DEBUG modem >> AT+COPS?\x0D\x0A
2020-03-08T18:18:30.966Z DEBUG modem << +COPS: 1,2,"23003",9\x0D\x0A
2020-03-08T18:18:30.968Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:30.979Z DEBUG modem >> AT%XCBAND\x0D\x0A
2020-03-08T18:18:30.984Z DEBUG modem << %XCBAND: 20\x0D
2020-03-08T18:18:30.987Z DEBUG modem << \x0A
2020-03-08T18:18:30.988Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:30.998Z DEBUG modem >> AT+CGDCONT?\x0D\x0A
2020-03-08T18:18:31.013Z DEBUG modem << +CGDCONT: 0,"IP","eplpwa.vodafone.iot","10.40.131.129",0,0\x0D\x0A
2020-03-08T18:18:31.014Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:31.020Z DEBUG modem >> AT+CGACT?\x0D\x0A
2020-03-08T18:18:31.029Z DEBUG modem << +CGACT: 0,1\x0D\x0A
2020-03-08T18:18:31.032Z DEBUG modem << OK\x0D\x0A
2020-03-08T18:18:34.127Z DEBUG modem >> AT#XSLMVER\x0D\x0A
2020-03-08T18:18:34.134Z DEBUG modem << +CME ERROR: 0\x0D\x0A
2020-03-08T18:18:34.135Z ERROR Error: AT#XSLMVER
 failed: phone failure
2020-03-08T18:18:39.853Z DEBUG modem >> AT#XSLMVER?\x0D\x0A
2020-03-08T18:18:39.859Z DEBUG modem << +CME ERROR: 0\x0D\x0A
2020-03-08T18:18:39.860Z ERROR Error: AT#XSLMVER?
 failed: phone failure
2020-03-08T18:18:53.068Z DEBUG modem >> at#xsocket=1,1\x0D\x0A
2020-03-08T18:18:53.082Z DEBUG modem << +CME ERROR: 0\x0D\x0A
2020-03-08T18:18:53.083Z ERROR Error: at#xsocket=1,1
 failed: phone failure
2020-03-08T18:18:56.329Z DEBUG modem >> at#xsocket=0\x0D\x0A
2020-03-08T18:18:56.344Z DEBUG modem << +CME ERROR: 0\x0D\x0A
2020-03-08T18:18:56.345Z ERROR Error: at#xsocket=0
 failed: phone failure

Parents
  • 0

    Hi, 

    I'm a little confused. You say you are using the Serial LTE Modem sample and then you ask about the AT Client sample? Which one are you actually using?

    The commands documented in the SLM sample are not all available in the AT Client sample. All AT commands you can use in the AT Client sample can be found in the AT Command Reference Guide.

    The SLM sample is an enhancement of the AT Client sample and has numerous commands that aren't supported in the AT Client sample.

    Best regards,

    Heidi

Reply
  • 0

    Hi, 

    I'm a little confused. You say you are using the Serial LTE Modem sample and then you ask about the AT Client sample? Which one are you actually using?

    The commands documented in the SLM sample are not all available in the AT Client sample. All AT commands you can use in the AT Client sample can be found in the AT Command Reference Guide.

    The SLM sample is an enhancement of the AT Client sample and has numerous commands that aren't supported in the AT Client sample.

    Best regards,

    Heidi

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