We may have found other answers which could help you.
Click here for Working Replaced Fine
Problem with an Accenta alarm system?
how to reset Lcd panel after power outage accenta G4 mini?
How to put brand new code in Accenta 8 Alarm?
Why is the alarm box sounding a short beep every 5 minutes?
House alarm keypad accenta?
Accenta 6 alarm code change ?