False (intruder) alarm on and will not switch stale? middle of the night and my alarm outside bells save going off....

middle of the night and my alarm outside bells save going off. almanac not helpful. tried entering code, switching electric past its sell-by date, and still ringing. what can i do?
I dreamt that I be lay on the...
Answers:    sounds like a sounder failing you could try isolate mains power disconnect internal freestyle ? once bell box batterys run down approx 20 min all should be stifled ?
Im upset contained by my house?
Maybe something or someone is out there. That is what alarms are for.