Programming
66 AC-F/G4x Series Installation and Programming Manual
Replacing a Normal/Secure Code
unit must be in Secure mode; otherwise, this does not
left LED is red before proceeding.
To replace a Normal/Secure code:
1. Remove power from the controller.
2. Press and hold the REX button.
3. Apply power to the unit with the REX button pressed.
4. Release the REX button.
You now have 15 seconds to use the Normal/Secure code to
return to the Normal mode.
5. Once in Normal mode, enter the Programming mode to
program a new Normal/Secure code.
The deafult code depends on the PIN length selected (see Table
2).