NRF9160 SMS Sample : Failed to set COEX0 configuration

[Wasabinary]

Hi,

I recently tried running SMS sample on a brand new NRF9160 DK, but it seems like I am having trouble with the base code with the latest available SDK:

*** Booting nRF Connect SDK v2.5.2 ***

SMS sample starting
[00:00:00.752,685] <err> modem_antenna: Failed to set COEX0 configuration (err: 65536)
[00:00:00.754,211] <err> lte_lc: Failed to configure RAI, err 65536
[00:00:00.754,638] <err> lte_lc: Failed to get system mode, error: -77
[00:00:00.754,638] <err> lte_lc: Could not get current system mode, error: -14
Lte_lc failed to initialize and connect, err -14

As a beginner, I don't really know if the error is hardware related of firmware related. I guess it's probably linked to external / on-board antenna use, but that is all I understand from it. Does anyone have a clue about this issue?

Thanks for your help

[Kenneth]

Hello,

Are you using the sms samples from for instance ncs v2.5.2, or are you on an older release?
https://developer.nordicsemi.com/nRF_Connect_SDK/doc/2.5.2/nrf/samples/cellular/sms/README.html 

The likely cause of the problem is missing nrf_modem_lib_init(), though I do believe this should be called if you are using the official example.

Kenneth

[Wasabinary]

Thanks for your answer, yes I use the sample from ncs v2.5.2, and the function nrf_modem_lib_init() is called at the beginning of the code. I think the problem actually from inside this function

[Kenneth]

Seems to work here:

What DK version do you have? There shoud be a white label on the back of the DK with version.

Kenneth

[Wasabinary]

The label says:

PCA10090

0.8.2

2018.49

960009424

So may be a new board, but not very recent actually. Could it be a hardware problem?

[Kenneth]

That is a very old board, not even production grade. Did you order that from a distributor of ours now?

Kenneth