The service account password may be changed from default. If you purchased the library used or a third-party maintenance provider changed it, this won't work.
: If the front panel is accessible, some users have had success using the service user credentials (Username: , Password: ibm ts3310 admin account locked
If you have a second administrative account (e.g., “admin2” or a service account) that is not locked: The service account password may be changed from default