Your FAQ did not provide any such information.
I had a similar issue, couldn't remember my password and got locked out for 15 minutes.
fine, reset the password, waited 20minutes (because why not) and attempted to log in.
Was told im now locked out for 15 minutes.
I entered the password correctly after waiting MORE than the 15 minutes a 2nd time, and got the same message. Locked out for 15 minutes.
This is ridiculous and incredibly disturbing that your system is so flawed even at login.