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AWR6843ISK: Is the module dead?

Part Number: AWR6843ISK
Other Parts Discussed in Thread: UNIFLASH, , MMWAVEICBOOST

Hi all. I am currently experiencing an issue with the AWR6843ISK sensor. For the past month or so, when running the sensor with ROS, the communication server is unable to to receive data from the sensor when a config is attempted to be sent. I have tried to use minicom to get a "terminal" or communication with the device but it is unable to do so. Trying to flash a new image on the "dead" sensor using Uniflash does not work either on windows. (Unable to open the COM port)

That being said we do have another sensor (and carrier board) which is able to communicate with minicom and ROS successfully. 

How do we confirm the sensor is dead?
The radar is on the carrier board, is it possible to test them separately?

Yusuf