Battery Override; Master Code Commands - CODELOCKS NANO90 Programming & Operating Instructions Manual

When the battery power is low the • Red LED will flash three times before the • Blue LED
lights accepting the code. Fit a new battery as soon as this happens.
The lock will operate for 100 times with low battery.

Battery Override

The NANO90 has been designed so a PP3 battery can be placed against the external contacts so
that the lock can be opened to replace the battery should it fail.
The procedure is as follows:
Place the contact points of the PP3 battery against the contact points next to the LEDs.
The positive +PP3 terminal against the Red LED contact point, and the negative -PP3
terminal against the Blue LED contact point.
Enter the Master Code.
The lock will now withdraw the locking pin allowing the lock to open.
Fit new battery by removing the lock from the door. Refit the lock.

Master Code Commands

Change the Master Code
#Master Code • 01 • New Master Code • New Master
Example: #11335577 • 01 • 12345678 • 12345678 ••
Result: Master Code has been changed to 12345678.
Code ••