The following procedure returns the lock to its factory defaults by deleting all user codes (including the Master PIN code) and returning all programming features to their original default settings:
NOTE: This does not remove the lock from the NEXUS-NETWORK
Remove the batteries and then remove the interior escutcheon to access the reset button.
The reset button is located above the PCB cable connector.
3. Hold down the reset button for a minimum of 3 seconds and then reinstall the batteries; once the batteries are properly installed, release the reset button.
All features, should now be returned to factory default. Upon reset, Master Code Registration is the only option available and must be performed prior to any other programming of the lock.