If the unit has a "System Password" set at the BIOS/firmware level that prevents even a project download, you may need to contact Pro-face Technical Support
A quick internet search will reveal numerous "Proface HMI password unlock tools" or "decryption software." While these may seem like quick fixes, they carry enormous risks.
If you cannot get past the system menu password, the only hardware-level solution is to Initialize the Memory . This will wipe the HMI's current application. Navigate to Offline > Initialization > Initialize User Memory . Note that you will need the original backup file to reload the project afterward. 3. Using the Web Server or FTP
I can provide the precise step-by-step instructions or hardware keystrokes for your device. Share public link proface hmi password unlock
Prevention is always better than a cure. Implementing these practices will save you from future password crises.
Most modern Proface HMIs (GP4000 and newer) have a menu in the Offline Mode .
: Touch the upper-right corner , then the lower-left corner . Repeat this sequence three times. If the unit has a "System Password" set
Required to upload (receive) the project from the HMI to a PC or download (send) a new file to the unit. 2. Official Methods for Password Unlocking
When opening a protected file, GP-Pro EX will prompt for a password. If forgotten, there is no official "backdoor." You must contact the original developer or use the Password Hint if one was configured during the initial setup.
have moved toward modern IT security. If an administrator is locked out, Schneider Electric (Pro-face) provides a Service Password Reset Navigate to Offline > Initialization > Initialize User
You cannot retrieve the old password, but you can overwrite it.
: Every password unlock or reset attempt is logged within the HMI’s internal system alarm history, providing a clear record for security audits.
For older models or specific system menus, some Pro-face devices use different defaults. Refer to the Official Pro-face Security Guide for a full list of system-level defaults. 2. Check the Project File (.prx) If you have access to the original
Restricts access to the HMI’s internal hardware settings, network configurations, and self-diagnosis menus on the physical unit.