help me Open AT developer with CPU AirPrime_Q2687

i can open port in Open AT with AirPrime_Q2687
when i open port on PC, the program always reach to 13% then time out and shows on screen the report

can you help me out to solve the problems

Which of the Q2687 UARTs are you trying to connect to?

I’m having the same problem when I try to use UART2.

i have never connected to Uart2. I only use the UART1 cuz i think it support fully functions

hey you, in addition, the flash-led and the buzz-led of Q2687 Kit continuously blink, it doesn’t make me sense, have you visit the same problem?
tell me, pls