Hi,it is showing the under voltage error although my power supply voltage is 12.5v. 

Hi, thank you for the support. The downloading issue got resolved and board connections also okay now, but my motor is not running it vibrates and firstly it runs one rotation and then vibrating.kindly help me in this regard. 

Hi, also tell the ways to run the motor without user interface.

Hi thank you.But my issue still not resolved.I tried in all the ways you have mentioned but still not connecting. Also tell me about the jumper connections in control and power board whether it may affect the connection.

Hi,thank you. When I am trying to connect with GUI Iam facing the following issue. Although my communication port and baud rate are correct.