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