Power on the PLC. The LEDs (Run/Stop, Error, Maint) will flash to indicate the reset process.
However, depending on your goal (recovery vs. resetting), here are the most common "interesting" methods discussed in the automation community: 1. The "Reset to Factory" Method (Total Wipe) password-find-plc siemens s7-keys7-v314-
For a safe and reliable solution, it is highly recommended to follow the official Siemens recovery guide or contact your local Siemens support representative . Power on the PLC