If you're still having trouble, I can try to provide more specific guidance or point you in the direction of additional resources.
If none of the above methods work, you can contact Siemens support for assistance. s71200 password unlock work
: Power the PLC back on. The CPU will stop, and the MAINT (maintenance) LED will start blinking, indicating the internal load memory is being erased. If you're still having trouble, I can try
Below is a guide on how to work through an S7-1200 password lock using official and community-vetted methods. 1. The "Transfer Card" Method (Wipe & Reset) If you're still having trouble