Programming the AC-B/C/D3x
38
AC-B/C/D3x Family Installation and Programming Manual
5.
You have 15 seconds to program a new Programming code into
the unit using the initial default code 1234 before the controller
reverts to the existing code.
10.13
Replacing a Lost Normal/Secure Code
To be able to replace lost Normal/Secure code, the
controller must be in Secure mode. Before proceeding,
verify that the Mode LED is red.
1.
Remove power from the unit.
2.
Press the REX button.
3.
Apply power to the unit while pressing the REX button.
4.
Release the REX button.
5.
You have 15 seconds to program a new Normal/Secure code into
the unit using the initial default code 3838 before the controller
reverts to the existing code.