The recordings are tied to the original Tivo Service Number and you must run Clear & Delete Everything to be able to record. In the System Information screen, you most likely will see all ZEROS in your Tivo Service Number.
Series 2 (PLS, sold)
TiVo HD 1TB (157 HD Hrs, PLS, "652")
Roamio! Oh, wait, Its Juliet!
The TiVo Apocalypse begins on Sat 2013 Feb 16 00:00 GMT!