We may have found other answers which could help you.
Success
Message
SR system reset on Scantronic 9827 after total power failure?
Tamper won't go off?
House alarm Scantronic 9427?
Alarm?
How can I reset a Scantronic 9427?
Scantronic 9427 Alarm?
How can I upgrade my Scantronic 9827 home alarm?
Reset system after smoke alarm sounds & user manual request?
How can I stop beeping?
Scantronic 9651 alarm?
How can I send house alarm?
Disable Alarm Scantronic 9800?