115U CPU944 with BASP Light up

I have problem with BASP light up when machine running , output are disabled and i try to resetCPU and run programs agian sometime it is OK (CPU can running) somtime must be clear program before and download new program. I can not find what a problems.
Thanks for your advamce
kernel_th

Thanks for your infomation, first my PLC is state RUN ,and my Machine are stop i look at PLC is stop and BASP is Light up.

thanks for next your advance

kernel_th

Thanks for your infomation, first my PLC is state RUN ,and my Machine are stop i look at PLC is stop and BASP is Light up.

thanks for next your advance

kernel_th

You mean that some program in PLC are mistakethen PLC come to stop, i will check again , i never use Upstack ,