cannot get subtitles kodi 16.1 on kda400

set up subscene and opensub on the kd links a400 with kodi 16.1 but menu select download subs find none under either source and when I pause a downloaded TV I don’t get the icons at the bottom right .meaning the subtitle rectangular icon? I download the subs direct and put them on my storage with the TV episode video but cannot play the srt file. Help