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