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User avatar
By cedarleaftech
#234851
Hi all,

I''ve followed the steps in this guide regarding the initial connection of the SARA-R5 module to the LTE network, but to no avail.
I've already followed all the basic troubleshooting I could find, checking the antenna, the SIM card insertion, the LED statuses.
I can communicate through the Serial port successfully, get the AWS ThingName associated with this board, I can set an endpoint with
Code: Select all
AT+CONF EndPoint=...
, so I believe the hardware is sound.
I've checked in various places in a 5kms circle around the town I live in, where there's plenty of LTE signal from various Canadian providers.
None of that works, I keep getting the dreaded
Code: Select all
ERR14 UNABLE TO CONNECT 
error, without the exact expected message
RR14 UNABLE TO CONNECT Certificate generation completed. Proceed to register device with AWS cloud and then try to connect again.
.
I've checked on this map that my area is covered.

At the very least, I'd appreciate if I could get a command parameter for AT+CONNECT that is more verbose than the current state I'm at. I don't know if the SIM is broken, if something is wrong with the board, if I've missed a step (I've re-tried, while following the documentation, multiple times).

Any idea of what could possibly be wrong?
User avatar
By TS-Russell
#234915
It could be a few things; run through the guide here https://docs.aws.amazon.com/iot-express ... /elpg.html for the AT commands and this https://docs.aws.amazon.com/iot-express ... elgsg.html is a basic start guide...those should get it online, then move to the example code here https://github.com/aws/iot-expresslink/ ... n/examples and see how far those get ya
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