User`s guide
Changing the Normal / Bypass 
Code 
1)  Press the “*/#” key for 2 seconds 
•  You will hear a short beep 
•  The DOOR 2 LED 
will turn off 
•  The DOOR 1 LED 
will turn red 
DOOR 1 DOOR 2
RED
2)  Enter the Programming 
Code for confirmation. 
(Default code is 1234 for 
Door 1 and 4321 for 
Door 2.) 
?
?
•  The DOOR 1 LED 
will turn green 
•  The DOOR 2 LED 
will turn off 
DOOR 1 DOOR 2
GREEN
?
?
3) Press 5 
•  The DOOR 1 LED 
will remain green 
•  The DOOR 2 LED 
will flash orange 
DOOR 1
DOOR 2
GREEN ORANGE
AC-020 Page 46 03/02 
NOTE: The Normal / Bypass Code also controls 
the Chime function for the AC-020. You 
may set the code to 4 available options. 










