Unlock Fixed: Siemens S7 200 Smart Password

When prompted for a password to authorize the clear operation, enter .

Free for in-warranty units; approximately $150–$300 for out-of-warranty service (depending on region). siemens s7 200 smart password unlock fixed

: While Siemens does not provide a universal "backdoor" to see the old password, using the phrase CLEARPLC in some software versions may trigger a factory reset. 2. Hardware Memory Card Reset When prompted for a password to authorize the