Use Windows Explorer to delete the user program files. Delete the S7_JOB.S7S file and the SIMATIC.S7S folder. CRITICAL: Do NOT format the card in Windows.
Within 3 seconds, switch back to and then back to STOP . Password Reset via SMC Factory Reset (TIA) Reset via Display Data Loss Yes (Total) Yes (Total) Yes (Total) Requires PC Yes (Card Reader) Yes (TIA Portal) Hardware Access Online Access
Open the view for the CPU in TIA Portal. Navigate to Functions > Reset to factory settings . Choose whether to keep or delete the IP address. siemens s7-1500 password reset
can halt maintenance and updates. While there is no "recovery" tool to retrieve an existing password, you can reset the password by clearing the CPU memory. 1. Resetting via the SIMATIC Memory Card (SMC)
You can also use the physical mode selector switch on the front of the CPU: Set the switch to . Remove the memory card. Use Windows Explorer to delete the user program files
Reinsert the card into the CPU and power it on. The CPU will now be empty and ready for a new download without a password prompt. 2. Reset to Factory Settings (TIA Portal)
If you can still establish an online connection (e.g., if you have "Read access" but lost the "Write access" password), you can use TIA Portal to perform a factory reset. Within 3 seconds, switch back to and then back to STOP
Hold the selector in the position until the RUN/STOP LED lights up steadily for the second time (approx. 3 seconds), then release it.