User`s guide
AC-020 Page 59 03/02 
Replacing a Lost Normal / Secure 
Code 
In the event that your Normal / Secure Code is 
lost and you are locked in Secure Mode, 
complete the following procedure to re-enter 
Normal Mode so that you may program a new 
Normal / Secure Code. 
The AC-020 must be in Secure Mode otherwise 
this will not work. 
Make sure that the DOOR 1 / DOOR 2 LED is red 
before proceeding. 
1)  Disconnect power from the AC-020 
2)  Press the appropriate REX button 
3)  Reconnect power to the unit with the REX 
button pressed 
4)  Release the REX button 
You now have 20 seconds to enter the default 
Secure Code, 3838 for Door 1 or 8383 for Door 2, 
to re-enter into Normal Mode. 










