Warning: Initializing the HMI memory will delete all screen data and project files. Pro-face by Schneider Electric Common Default Passwords
If you are locked out, try these official and data-safe methods first before resorting to aggressive hardware resets. Method A: Entering Offline Mode to Reset System Passwords proface hmi password unlock
For HMIs that are completely bricked by a lost password and refuse all transfers, you must go hardware-level. Warning: Initializing the HMI memory will delete all
Restricts unauthorized users from pulling the runtime application file ( .prx ) out of the HMI or overwriting it. Thousands of technicians face this locked screen every year
Searching for a is often a moment of panic. You are not alone. Thousands of technicians face this locked screen every year. This article provides a definitive, step-by-step guide to legitimate unlocking methods, the built-in backdoors Proface provides, software tools, advanced hardware solutions, and the critical legal ethics you must understand.
Go to and send the updated project to the HMI via USB or Ethernet. Select Overwrite when prompted.