Hi everyone,

I would like help with the following situation: there are three machines whose PLC programs differ in only a few settings. After making the necessary changes, I successfully uploaded the modified program to two machines, but on the third machine, the PLC suddenly asked for a password to change the program. How can I reset the PLC (faktory reset) to load the new program? The PLC-s are S7 1200 with TIA 15.1