Milosh

Hi all.

I have CPU from title, but when I connect to the PC, LINK led is on and Rx/Tx blinking, but I can not connect to the CPU. CPU is in stop mode, and error led is on. When try to find accessible device it says that the CPU is unaccessible. The IP addresses is 100% good.
What it can be?
Do someone have problems like this?

 Hi everone,

i am also facing the same issue, i am using S7 1200 1214C DC/DC/DC PLC, this is my first siemens plc and it's brand new. earlier i was able to upload the program to the PLC, but now i am getting this error.

can someone please help me?

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Split from S7 1200 CPU 1214C DC/DC/DC can not connect.