User`s guide
Entering Programming Mode 
To begin programming the controller’s settings, 
the AC-020 must first place into Programming 
Mode. You may only enter Programming mode 
from Normal mode, the controller does not permit 
entry to Programming Mode if the controller is in 
Bypass and Secure Mode. 
1)  Press the “*/#” key for 2 seconds 
•  The DOOR 1 LED 
will turn red 
DOOR 1 DOOR 2
RED
2)  Enter the Programming Code. The factory 
default Programming Code is 1234 for Door 
1 and 4321 for Door 2. 
If the Programming Code is valid the 
controller will be in Programming Mode. 
•  The DOOR 1 LED 
will turn green 
DOOR 1 DOOR 2
GREEN
AC-020 Page 36 03/02 
If the Programming Code is NOT valid the 
controller will emit a loud beep and will NOT 
enter Programming Mode. 










