If you have a new, unlocked copy of the project, you do not need the old password. Proface’s transfer utility allows a forced download.
Warning: This erases the existing runtime project. Ensure you have a backup, or you will lose machine logic (though the PLC remains unaffected). proface hmi password unlock
If default passwords fail, you must use Proface’s own software. This is the safest, non-destructive method. You will need a Windows PC, a USB cable (Type A to Type B or Ethernet), and a licensed copy of GP-Pro EX. If you have a new, unlocked copy of
Modern Pro-face units operating on Linux kernels could theoretically be susceptible to kernel exploits if the firmware is outdated. If an attacker gains access to the underlying Linux shell (via serial ports like JTAG or UART), they can modify the /etc/passwd or /etc/shadow files directly. However, Pro-face generally locks down physical ports, requiring specific proprietary cables and protocols to access the bootloader. Warning: This erases the existing runtime project
Authorized password recovery for ProFace HMIs is feasible through project file analysis, bootloader resets, or battery discharge. The most efficient and non-destructive method is requesting the Pro-face Password Recovery Utility from an authorized distributor after proving ownership. Industrial facilities must preemptively document passwords and maintain encrypted backups to prevent production stoppages. Unauthorized access attempts are strongly discouraged and may be prosecutable.