This article provides a definitive guide to resetting, bypassing, and preventing Proface Connection Key issues across the LT, ST, GP, and SP series units.
If you simply want to update a known key, you can do so through the local HMI settings or the transfer software. Pro-face by Schneider Electric On the HMI (Offline Mode) [Security Settings] [Connection Key] . You must enter the current key before the device will allow you to set a new one. Via GP-Pro EX Software : Open your project, go to [Project Information] [Passwords] [Transfer Password] proface connection key reset