The warning "User blocked" is produced after many failed access attempts (more than 30), indicating the PIN or an incorrect access code.
Once the user has already been blocked, they must wait at least 24 hours to obtain a new PIN and retry access.
Before reaching this situation, other messages will appear informing you that the data is not correct:'Access code incorrect’ and The number of allowed retries has been reached with only the Access Code.For security reasons, you must additionally indicate the telephone number you are registered with in the Censo Cl@ve PIN".(in the latter case, a field is enabled to indicate the mobile phone number).
Therefore, if these preliminary warnings appear, you have the opportunity to correct the errors or obtain a new PIN before the application is blocked.