Need help. I can't transfer my program to cj1m cpu12 plc. I use cx-programer ver.4.0 then I try to dowload program to cpu it's begin dowloading but stops somewere in the the midle of progres or earler. In error log apeare messeg about memory error 0x80F1. I look in memory area and find out that ther are chek sum error or program mistake, but then I compiling the program there are no errors.