S71200 Password Unlock Work |work| -

Wait until the MAINT LED stops blinking or the RUN/STOP LED stays solid. the PLC again and the memory card.

You cannot bypass Siemens' password protection without authorization. The supported, legitimate methods are password recovery via the original project/account or full device reset (which erases program and data). Attempting unauthorized bypasses is illegal and unsafe. s71200 password unlock work

If you need the source code inside a locked PLC, you must contact the original machine builder. No software tool can ethically or legally extract the plaintext password from a modern S7-1200. Wait until the MAINT LED stops blinking or