Keep the device firmware updated to patch any security vulnerabilities related to the credential system. To help you get the exact fix you need, could you tell me: Are you locked out of the device right now?
Enter the current and Password to unlock the settings. Navigate to User Management or System Options . Select Enroll Admin or Modify Admin . Input the new numeric password and confirm. Press ESC to exit and save changes. Troubleshooting Lost Key IDs and Passwords ps300b key id password top
Do you have the installed on a computer? Is the device showing a specific error code on the screen? Keep the device firmware updated to patch any