Alexandr_X

No, i didn't reset to factory settings, i only reset memory.

Did I understand correctly, to reset to delivery state i should

1) switch to "MRES" and turn on power

2) wait until LED lamp image 1 (which led should be image?)
3) than i release selector and set it back to "MRES" 
4) than LED image 2, lights up 5 sec, image 3
5) i release selector switch (to "STOP" mode)

 Hello,

How do you reset a SIMATIC S7-300 CPU and MMC (default reset or ...