We may have found other answers which could help you.
Success
Message
"aux dc fail " ?
Missing battery/system reset?
how to get my security system back up ?
Alarm goes off when electricity gives off?
Reset alarm without knowing code?
Key pad 9827 with control panel 9800 suddenly went off showing bF?
which is the enter key?
Keeps going off,,,when NOT set?
Replacement parts?
How to silent set my alarm at night?
replacing new batttery in 9450 alarm system ?