S71200 — Password Unlock Work

The PLC is now at factory defaults with no password protection, allowing you to download a new project. 2. TIA Portal Factory Reset (Online Method)

Turn the power back on. The MAINT LED will flash, indicating the CPU is copying the empty configuration to its internal memory. s71200 password unlock work

Once the LEDs stop flashing (typically steady amber), power down the PLC, remove the card, and power it back up. The PLC is now at factory defaults with

If you do not have the original password and simply need to use the PLC for a new task, you must perform a factory reset. This is the only official way to bypass a lost password, but it the existing user program and hardware configuration. The MAINT LED will flash, indicating the CPU

A SIMATIC Memory Card (minimum 4MB or larger, e.g., 6ES7954-8LC03-0AA0). The Procedure: