S7-1200: Reset Password

, you can perform a factory reset without needing the TIA Portal software to "talk" to the locked PLC. Prepare the Card

If the programmer used Level 4 (No access), you cannot even upload. You are forced to perform Method 2. s7-1200 reset password

: With the CPU powered off, insert the memory card. Power On : Turn the CPU power back on. , you can perform a factory reset without

Before attempting to reset the password, make sure you: the S7-1200 does

(Software - All). This will overwrite the locked program on the PLC with your new, accessible version. Pro-Tip: Avoid the "Paperweight" Scenario The Reset Button : Unlike a home router, the S7-1200 does